Floodplain management plan. The city of fort worth is working on a floodplain management plan for the entire city. This will be the first part of a growing public planning and interaction program being led by the stormwater management division. Drainage manual decemberchapter 4 precipitation introduction overview precipitation is applied to a drainage area to calculate runoff with the sacramento method. Precipitation data is most often in the form of design storms.
Alternatives to the use of design storms are historic storms and continuous simulation. The dallas development code to provide the policy framework for street design drainage design manual dallas • all new projects that impact the street right- of- way will consider the context drainage design manual dallas of the roadway, community design priorities, the roadway’ s drainage design manual dallas functional classification, and the drainage needs. Handbooks and other publications on drainage. The design criteria presented drainage design manual dallas herein for the ih drainage design manual dallas 635 corridor drainage systems are primarily based on the drainage design manual dallas texas department of transportation’ s ( txdot) hydraulic design manual, march. However, additional drainage design guidelines from the cities of dallas, farmer’ s.
2) detention facilities must be designed and constructed in conformance with the drainage design manual of the department of drainage design manual dallas trinity watershed management. ( 3) detention area easements must be dedicated on the plat when detention facilities are on- site, and dedicated by a separate instrument when detention facilities are off- site. Design of a storm drainage design manual dallas drainage system, an overall drainage plan shall be submitted to the city for review. Upon written approval of the drainage plan by the city, the actual construction plans can be designed. This manual provides guidelines for design of storm drainage facilities in drainage design manual dallas the drainage design manual dallas city of waxahachie. Stormwater system design is an integral component of both site and overall stormwater management design. Good drainage design must strive to maintain compatibility and minimize interference with existing drainage patterns; control flooding of drainage design manual dallas property, structures, and roadways for design flood events; and minimize potential environmental. Award a consultant contract for revising the paving and drainage design manuals and providing urban design support • adopt complete streets drainage design manual dallas manual • urban design definition and vision for dallas • urban design principles • urban design guidelines • updated paving design manual drainage design manual dallas • updated drainage design manual. Dallas requirements dallas development code, 51a- 8. 611( e) • lot- to- lot drainage must to lhc• ea be drained to an abutting street or alley unless drainage to a street or alley is infeasible.
• if drainage is infeasible there drainage design manual dallas are two options: 1. If no more than the rear 15 ft of drainage design manual dallas the lot drains toward the rear lot line— a well pronounced. Stormwater regulations. The city stormwater discharge ordinance was adopted to comply with the tceq ms4 permit. This required the development of a stormwater management program ( swmp) ( pdf) to protect water quality to the maximum extent practicable. The stormwater drainage design manual dallas utility fee was established to provide funds necessary to meet the regulatory. And demonstrates the design procedures to be used on drainage projects in the city of dallas. Applicable forms, tables, charts, nomograph, details and additional information which can be drainage design manual dallas used for the design of various drainage design manual dallas storm drainage facilities are contained in the appendix to this manual. All drainage systems will be designed to accommodate the.
Grading design manual ordinance 1990· 61 adopted j by pima county board of supervisor~. Erosion and drainage drainage design manual dallas control d. Chapter 10: drainage design manual dallas storm drains drainage design manual dallas anchor: # i1014036 section 1: introduction anchor: # i1014041 overview of urban drainage design. The objective of urban storm drainage is to optimize safe passage of vehicle traffic by collecting stormwater from the drainage design manual dallas roadway, and to convey it safely to an adequate receiving body without undue risk to pedestrian traffic or contributing to damage of adjacent private. Methods andprocedures are given for the hydraulic design of storm drainage systems. Design methods are presented for evaluating rainfall and runoff magnitude, pavement drainage, gutter flow, inlet design, median and roadside ditch drainage design manual dallas flow, structure design, and storm drain piping. Procedures drainage design manual dallas for the drainage design manual dallas design of detention facilities are. Chapter 3 - drainage plan requirements. Chapter 4 - hydrology. Chapter 5 - roadside ditches & streams. Chapter 6 - culverts.
Chapter 7 - storm drainage systems. Chapter 8 - stormwater storage facilities. Chapter 9 - energy dissipators. Chapter 10 - erosion prevention drainage design manual dallas and drainage design manual dallas sediment control. Chapter 11 - natural stream design. The comprehensive study has two major components: the drainage plan and the drainage design manual. These tools will help the city manage its floodplain areas as growth continues and provides uniform drainage design requirements for developers by providing standards such as drainage pipe dimensions and placement to manage storm water runoff. Download drainage design manual - dallas book pdf free download link or read online here in pdf. Read online drainage drainage design manual dallas design manual - dallas book pdf free download link book now.
All books are in clear copy here, and all files are secure so don' t worry about it. The iswm™ program for drainage design manual dallas construction and development is a cooperative initiative that assists cities and counties drainage design manual dallas to achieve their goals drainage design manual dallas of water quality protection, streambank protection, and flood mitigation, while also helping communities meet their construction and post- construction obligations under state stormwater permits. Design criteria manual. Standard specifications & special provisions. Drainage & water/ sewer) monuments & benchmarks.
Saturday or city holiday inspections. Ager directed that a storm drainage design manual be prepared in conjunction with the development of the master storm drainage plan. The principal objective in compiling the mate rial far this manual has been to present information and data on the de sign and drainage design manual dallas construction of storm drainage systems in a readily usable drainage design manual dallas form. Infrastructure, including sanitary sewer, water and drainage systems. The design report shall include design calculations, monitoring data and drainage design manual dallas computer drainage design manual dallas simulations which demonstrate: a. That the proposed design meets applicable federal, state and local regulations and standards, design criteria and system design drainage design manual dallas assumptions; drainage design manual dallas b. Drainage design manual city of dallas september. City of dallas drainage design manual september.
I i i contents section 1 introduction. Drainage design management system – user’ s manual 92- 38. Introduction system overview the drainage design management system for windows ( ddmsw) has been written to facilitate data management and computational procedures required for drainage analysis in maricopa county. This manual serves as a guide in the use of the program and drainage design manual dallas is. Stream bank stabilization manual ( 25mb pdf) erosion control manual ( pdf) storm drainage( drainage design manual dallas 24mb pdf) right- of- way ordinance ( pdf) thoroughfare standards ( pdf) monumentation map; water and sewer design manual ( pdf). This is the official homepage of the drainage services department ( dsd) - the government of the hong kong special administrative region ( hksar). Storm water design criteria manual drainage design manual dallas january _ _ _ _ _ storm water design criteria manual — january. This drainage criteria manual ( the manual) provides a design guidance for use by developers and engineers in preparation of drainage plans for development within galveston county drainage district number 1 ( the district). It establishes drainage design manual dallas rules and regulations that must be consistently followed and will be enforced. Current drainage design criteria since the early 1980’ s dallas has led the region in drainage design current drainage system design for development or redevelopment requires: design standard of 100- year frequency storm events detention in certain cases ( i.
E, a drainage design manual dallas change in zoning results in substantially more runoff or. These standards are hereby adopted as the “ engineering design manual, ” sections 1 – 8 and appendices, which drainage design manual dallas shall be in full force and effect from and after the effective date of adoption of the engineering design manual. The purpose of the engineering design manual is to protect the health, safety, and. The land development division oversees the design and construction of land development within the city of allen. Under the direction of an engineering development manager, construction inspectors work with project contractors on a continuous basis to ensure that quality standards are met for drainage design manual dallas all infrastructure development. Drainage services innovative design.
Imaginative solutions. Ingenious methods. Advantage drainage has been the provider of choice drainage design manual dallas for high- quality drainage solutions in the dallas fort worth metroplex for nearly three decades. And dallas counties, 17 miles northeast of the city of fort drainage design manual dallas worth and 18 miles northwest of the city drainage design manual dallas of dallas, with latitude 32° 53' 30" and longitude 97° 02' 30". Dfw airport consists of approximately 17, 188 acres, located within five cities: grapevine, irving, euless, coppell, and fort worth. Drainage issues should be remedied as soon as you notice them this is were drainage dallas comes in. Ignoring your dallas drainage problem will only cost you more money down the road.
Drainage trouble can often be caused by many things for example: run off from a neighbor’ s yard. Variances in elevation of your yard. Storm water design manual section 1 introduction page drainage design manual dallas 1 1. 0 introduction 1. 1 purpose and scope the purpose of this design manual is to establish standard principles and practices for the design and construction of storm drainage facilities within the city of lancaster, texas and within its extraterritorial jurisdiction. Created date: 11: 10: 31 drainage design manual dallas am. This ac provides guidance for engineers, airport managers, and the public about the design and construction of airport surface storm drainage systems; drainage design manual dallas and subsurface drainage systems for paved drainage design manual dallas runways, taxiways, and aprons.
It incorporates the dod unified facilities criteria ( drainage design manual dallas ufc) draft document, surface drainage design, dated aug. Consulting engineers offering engineer consultants for the greater dallas and tarrant counties. Advantage drainage offers consulting engineer services through two respective companies in the dallas fort worth metroplex who can create a well- documented engineering drainage design manual dallas plan to meet any project' s needs. Section 7: drainage design manual dallas drainage design anchor: # i1023753 overview. This section discusses project elements typically designed by the drainage engineer. Tasks fall drainage design manual dallas into categories of hydraulic design, drainage design manual dallas drainage details, and storm water pollution prevention plan preparation.
Dallas/ fort worth international airport ii revision 2 design criteria manual novem preface preface introduction introduction the dallas/ fort worth international airport ( hereinafter referred to as “ dfw airport” ) design criteria manual has been developed to ensure a unified approach to the design of the renovation.


The Three Gorges Dam is the world’s largest hydropower project and most notorious dam. The massive project sets records for number of people displaced (more than 1.2 million), number of cities and towns flooded (13 cities, 140 towns, 1,350 villages), and length of reservoir (more than 600 kilometers).
The Three Gorges Dam is a hydroelectric gravity dam that spans the Yangtze River by the town of Sandouping, in Yiling District, Yichang, Hubei province, China.
The Three Gorges Dam is the world’s largest power station in terms of installed capacity (22,500 MW).
In 2014, the dam generated 98.8 terawatt-hours (TWh) and had the world record, but was surpassed by the Itaipú Dam in Panama, which set the new world record in 2016, producing 103.1 TWh.
Except for the locks, the dam project was completed and fully functional as of July 4, 2012, when the last of the main water turbines in the underground plant began production. The ship lift was complete in December 2015. Each main water turbine has a capacity of 700 MW.
While Three Gorges is the world’s biggest hydro project, the problems at Three Gorges are not unique. Around the world, large dams are causing social and environmental devastation while better alternatives are being ignored.
The Space Academy / Cricky Conservation Society 2019.
The bigger the better?


|Pressure Medium:||Liquid Compatible Stainless Steel||Pressure Ranges:||0~100m ...500 M H2O|
|Operating Temperature:||0~+85°c||output Signal:||4~20mA, 0.5 ~4.5V, 0~5V,RS485, RS232, 868 Mhz 4~20mA+Hart|
|Accuracy:||0.1%FS、0.25%FS、0.5%FS (standard)||long Term Stability:||0.1%FS/year|
|Power Supply:||10-36VDC）||Pressure Sensor:||Silicon Sensor|
Water Submersible Level Sensor 10V,
Silicon Water Level Sensor 20mA,
Stainless Steel Submersible Level Sensor
Submersible pressure transducer PL301 Submersible level transmitter
Feature of PL301 Submersible level transmitter
● Wide range application
● Long service life
● Diffused silicon oil-filed sensor cell
● CE certificate
● Reinforcement cables optional
● Intrinsically sate ,explosion proof
Specifications of PL301 Submersible level transmitter
|ssure medium||liquid compatible stainless steel|
|pressure ranges||0~1 m H2O...300 m H2O|
|output signal||4~20mA, 0.4 ~4.5V, 0~5V, RS485, RS232, 868 Mhz 4~20mA+Hart|
|load resistance||RL = (U-10)/0.02(Ω) (4~20mA current output), ＞20KΩ (voltage output)|
|long term stability||0.2%FS/year|
|compensated temperature range||-10~70°c|
|operating temperature range||-20~85°c|
|storage temperature range||-40~125°c|
|temperature coefficient of zero||±0.015%FS/°c@25°c|
|temperature coefficient of span||±0.02%FS/°c@25°c|
|insulation resistance||100MΩ@ 250VDC 100MΩ@ 500VDC|
|Pressure connection||screw thread, throw-in type|
|material of wetted part and housing||304SS or 316L|
|material of pressure membrane||316L|
Applications PL301 Submersible level sensor
● Hydraulic monitoring
● Frequency water supply
● Liquid measuring for petroleum ,metallurgy
● City water supply
● Sewage treatment
● Tank level monitoringT
● Water-saving irrigation
● Circulation fluid monitoring
Description PL301 Submersible level transmitter
The PL 301 series is a highly reliable and accurate level sensor. Widely used in liquid pressure and level measurement, such as water, oil and other low corrosive liquids.
SU304 or 316L stainless steel structure, high-quality oil-filled pressure sensing device, dedicated amplifier and V/I inverter circuit board, easy for external program control zero adjustment and full-scale calibration.
The frequency converter can be equipped with wear-resistant, oil-resistant, acid-alkali-resistant, high-strength breathable cables according to different on-site use environments.
The PL301 submersible level transmitter/hydrostatic level sensor is designed for use in rivers, reservoirs, tanks, boreholes, boats and channels. Due to their long-term submersion protection up to 100 meters, they are also ideal for measuring pressure in underwater pipelines and ships.
For corrosive media applications such as seawater or leachate, especially in landfills, we offer advanced duplex stainless steel submersible level transmitters with extremely high corrosion resistance.
The submersible liquid level sensor adopts 304 stainless steel housing and waterproof cable, which can be directly put into the water/oil/oil tank or liquid storage tank for liquid level measurement. The measuring range can be 0-1m/0-3m/0-5m/0-10m～0-200m. The optional accuracy of the liquid level sensor is 0.5%FS or 0.3%FS, the output signal is 4-20mA/0-5V/RS485, and the power supply is DC 24V/12V. Cable types and connection types can also be customized.
Contact Person: leaves


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C.R.I. 150 mm (6″) Borewell Submersible pumpsets are powered by water filled, rewindable submersible motor suitable for continuous duty.
T-Bolt design in all motors ensures rigid construction. Specially designed high performance thrust bearings (SS with Carbon) are used to withstand axial thrust loads.
Civil & Industrial water supply
Rural Water Supply
SS 304 grade stainless steel stage casings and impellers in radial flow
SS 410 impeller / Bronze impeller available in mixed flow series
50 & 60 feet head per stage in specific models
Dynamically balanced rotating parts ensures minimum vibrations and longer life
Designed for wide voltage fluctuations
Better efficiency and consistent performance ensures low operation cost


The Prospect Macarthur Link Infrastructure project involves the upgrade of existing water reservoirs at Liverpool and Cecil Park and includes the construction of two new reservoirs at Oran Park. This will allow for an extra 100 megalitres of additional reservoir capacity in Western Sydney. The project also includes the construction of 15 kilometres of additional pipework, three pumping stations and upgrades to the existing network.
As part of Sydney Water’s Prospect to Macarthur Reservoir (ProMac) project, Gremalco were engaged as a Principal Contractor to install new electrical HV supplies to new key water assets. These included Liverpool Pump Station, Harrington Park Pump Station and Oran Park Reservoir.
As part of these works, Gremalco installed 11.7 kilometres of new HV cable, five underbores, four switching stations and one padmount substation. Work areas varied between established and new urban environments.


The Red River Valley Water Supply Project is now under construction! In December 2020, ICS and Michels began construction on the Missouri River intake wetwell near Washburn, ND.
Construction contracts have been awarded for the Sheyenne River discharge structure and an initial pipeline segment on the main transmission line, with construction of both features anticipated to begin in spring 2021.
Industrial Builders, Inc, will be constructing the discharge structure, which is located near the Sheyenne River, downstream of the future control valve structure.
Pipeline construction will begin in Carrington Township, North Dakota and will install approximately 1½ miles of 72-inch steel pipe and accessory items. This section of the pipeline will primarily utilize open cut construction methods with a single trenchless crossing located under the Red River Valley & Western Railroad and U.S. Highway 52/281.


Guwahati, 20th November: Assam Chief Minister Himanta Biswa Sarma said that construction on a new bridge will start from 30h November.
The chief Minister said about returning to the river island
The Chief Minister said that he will return to the river island on 30th November to lay the foundation stone for the new bridge. The new bridge is part of the PHE department’s Solar Piped Water Supply plan at Namoni Jakaibowa in Majuli.
Assam CM told about his opinion on the new bridge
Assam CM Hemant Biswas Sharma said, “A new bridge will be established over the River Brahmaputra at Majuli. The first pile foundation will be started on November 30 and the bridge will be completed in four years”. The schedule of the new bridge construction will also be known after a while.
Several construction projects were also done before
The Assam Government has taken several construction and development projects for the country. The construction of Dispur Flyover worth rupees 127 crore in Assam, The Chief Minister promises the citizens for another flyover soon to be constructed in Guwahati.


Tuesday July 23. 2013
OC Fire Rescue – The project consists of the construction of a stormwater management system to serve the Orange County Fire Rescue Hangar at the Orlando Executive Airport. Modifications to the existing site include a new hangar, helipad and parking lot. The proposed stormwater management system to serve the added impervious area consists of two dry detention ponds with underdrain systems to drawdown the required treatment volume.
Airport Master Planning – Site layout, grading for the site, a new stormwater management system was constructed to serve the facility, and pavement design was done for this project


Optimization of Hydropower Generator Performance using Neuro-Fuzzy Scheme
- Post by: airjournals
- January 13, 2021
- Comments off
In this paper, Neuro-fuzzy software tool was used to ensure a design of an optimized hydropower plant model. It was used to estimate the size and technical data in a hydraulic turbine. The neural network software was imbibed into the fuzzy logic controller. Input data of this software are hydraulic site conditions, desired operating parameters namely, water level and flow rate, as well as the desired arrangement. The designed adaptive power stabilizers based on artificial neural networks (ANNs) and Fuzzy logic are meant to adapt themselves to the operating conditions based on input-output response of the system. Result analyses were carried out using Neuro-fuzzy software tool in MATLAB to ensure optimal turbine rotational speed is maintained at a desired real-time response. The real-time controller emphasizes the robustness of Neuro-fuzzy application of the scheme for steady-state rotational stability for turbine spinning in a hydropower system.


amphibioussand pump dredger for both ship and land
1. sand and mud pump for ship and land
2.extract sand, mud
sand pump dredger
amphibious sand pump for both ship and land 600 to 8000 m3/h capacity
sand and mud pump for ship and land
1.Amphibious sand and mud pump for both ship and land.
2. It is applicable to extract mud and sand for ships,marine land reclamation ,built wharf, power plant and mining.
3.horizontal, centrifugal, one stage sand pump, high efficiency and energy saving.
4.Good NPSH performance.
5. Wear resistant flow parts: The flow parts are made of hard metal (Chrome alloy).
6. Long-term bearing life: The bearing assembly is composed of large diameter shaft and short overhang.
7.Pump of this series have distinctive innovation in hydraulic and structural design.
8.It is widely used in river dredging.
9.Shaft seal uses packing seal


The PND 17 Lift has a capacity of 1700 kg and is suitable for medium-large power tractors. In addition, it is equipped as standard with a side lift cylinder, translation and tilt.
Standard features and equipment:
- pillar ST53 double T;
- wear-resistant nylon contact pads;
- double Fleyer lifting chain;
- 3 lever hydraulic distributor;
- double double-acting lift cylinder with safety valve;
- third-point cylinder with valve and safety chain;
- tow hook;
- lifting hooks;
- support foot.


Submersible sensors for the water level
Piezoelectric for continuous measurements
Piezometric submersible sensors designed for continuous level measurement in water applications. The sensor has a stainless steel housing and a flush ceramic diaphragm which prevents from the build up of solids of time and makes it easy to clean. The piezoelectric element detects the pressure difference between its location and the atmospheric pressure on the surface. This pressure difference is proportional the water level above the sensor. A special (ventilated) cable connects the sensor sensing element with the surface.
- Different models with different lengths of submersible ventilated cable for pressure compensation;
- Analogue output: 4 ÷ 20 mA;
- Wide thermal compensation up to 70 ° C.


Free Standard Shipping! on orders over $50.00.
(limited-time offer, certain restrictions apply) (Details)
Package Size: 5.9 x 3.6 x 2.2 inches
The "3250" Series Flow Control Valves are specifically designed to accurately meter the flow of air in one direction and allow free flow in the opposite direction. The "3250" Series Flow Control Valves are also suitable for low pressure hydraulic service. Brass, stainless steel internal components, buna N seals. 295 scfm Maximum flow in metered direction and 346 maximum flow in free flow direction.
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YIT Corporation Press release, August 5, 2019, at 08:30 a.m.
YIT will build a new dam on Lake Mjåvatn to replace the old dam built in the 1940s and repair the Kuli Dam that was built in the mid-1960s.
YIT will build a new dam for E-CO Energi in the municipality of Ål in Southern Norway. The new dam will replace the old dam from the 1940s on Lake Mjåvatn and will be located below the old dam. In addition to building the dam, YIT will also excavate a tunnel in the area that is about 500 metres long.
The new dam will be approximately 100 metres long and 11 metres high at the highest point.


The Filterforce pump range is specifically designed for use in garden ponds to power biological filters,uv clarifiers and to run waterfalls.
The pumps cage is specially designed to prevent it clogging by providing the maximum surface area.
High water flow with low energy consumption for the energy conscious.
Will handle solid particles upto 8mm.
Robust filter housing minimises the risk of blockage and makes installation and maintenance easy.
95 wattage,maximum head 4.2 metres.


Check valve is also known as one-way valve or non-return valve. This kind of valve is automatically opened and closed by the force generated by the flow of medium in the pipeline. A check valve is an automatic valve, and mainly applied to the pipe with medium flows in one direction to prevent accident. 3d video xxx mainly manufactures four types of the check valve: swing check valves, pressure sealing swing check valves, dual plate check valves and tilting disc check valves.
1. As the channel within the valve is in streamline form, the flow resistance of the swing check valve is smaller than that of the lifting check valve. It's suitable for low flow and large-caliber applications without frequently change in flow. However, it's not suitable for pulsating flow for sealing performance poorer than that of the lifting check valve.
2. A swing check valve is suitable for various working conditions of pipeline for petroleum, chemical, pharmaceutical, chemical fertilizer and electric power industry.
3. The swing check valve is suitable for the clean medium like water, oil, steam, acid medium, but not suitable for medium with solid particles and great viscosity.
From the working performance point of view, pressure sealing bonnet valve has better sealing when facing the greater pressure within the working pressure range. It is mainly used in working conditions above 900lbs.
The center vertical pin shaft. When the valve is open, the resultant force of fluids is on the center of sealing face of the disc, while the point of action of counter spring support force is on the center of disc surface so that the root of the disc opens firstly. It avoids wearing of the sealing surface of the old conventional valve when the valve opens, and increases the persistence of valve seal.
When the flow slows down, the counter force of the torsion spring makes the disc moves to the valve seat, and the valve is in slow off stage. When fluid flow backwards, the closing speed of the disc is correspondingly increased and it enters the rapid closing stage under the force of backflow fluids on the disc and counterforce of the torsion spring. The influence and harm of water hammer is effectively reduced. When closed, the spring force closes the top of the disc firstly so that the root of the disc is prevented from being bitten to guarantee longer service life of valve sealing surfaces.
The API 594 single disc wafer check valve is a single disc swing wafer connecting check valve that prevents backflow of the medium. They are all ultra-thin check valves. The single disc swing wafer connecting check valve is designed to be connected through the wafer. Stainless steel or stellite build-up welding may be applied to sealing surfaces of the valve body and the disc. The valve is suitable for the clean medium, and not suitable for medium with solid particles and great viscosity. The main merit of the tilting disc check valve is that it overcomes shock and water hammer in operating condition of swing check valves and lifting check valves to realize shock-free operation.


Talk by Jim Crossley: Development of Grimwith Reservoir
February 24 @ 19:30 - 21:00
Abstract: Grimwith Reservoir is situated on the River Dibb, a tributary of the River Wharfe, some four miles east of Grassington. The illustrated account describes its development from the construction of the first reservoir on the site in the mid-1800s, to provide compensation for water abstractions taken for supply from other areas of the River Wharfe catchment, to its subsequent extensive enlargement commissioned in 1983, to support new and existing public water supply abstractions from the River Wharfe downstream.
The presentation includes a detailed description of the planning and design of the enlarged reservoir supply scheme, as well as addressing with photographs, the problems encountered and progress made on the construction of the enlarged earth dam. The associated river abstraction and water transmission works are also briefly referred to.


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Current Lake Status:
Lake level readings are taken once per week during the open water season. During periods of high water, the lake level is checked more frequently.
When the water level is on “High Water” status, all watercraft must travel at no-wake speeds (5 MPH or less).
Please check the current water level status at the Burnsville City Website
Crystal Lake Water Level Status


Ultrasonic Water Level Controller with 8051 Microcontroller In our day-to-day life, we frequently use different types of sensors in various electronic appliances such as proximity sensor-mobile phone, motion sensor-automatic door operating system, temperature sensor-automatic fan speed controller, LDR sensor-automatic street light system or automatic outdoor lighting system, and so on. Similarly, to avoid the overflow of water in overhead tank or water container we can use the ultrasonic sensor based electronic circuit. This article discusses about ultrasonic water level controller using 8051. Water Level Controller Water level controller, the name itself indicates that an electronic device or circuit kit used for controlling the water level can be termed as a water level controller. It is difficult to know the level of water in the overhead tank such that wastage of water can happen frequently. To conserve water, avoid overflow of water in the overhead tank which may cause loss of water, loss of electrical power, etc.,. Thus, ultrasonic water level controller using 8051 microcontroller is an innovative electronics project application for controlling water level. 9-Level Overhead Water Tank Indicator 9 Level Overhead Water Tank Indicator Project by www.edgefxkits.com 9-Level overhead water tank indicator project is used to display the level of water in the overhead tank using 7-segment display. The project block diagram is shown in the figure below which consists of various blocks such as a power supply block, water container, priority encoder, transistor, BCD to 7-segment decoder, 7-segment display, etc.,. 9 Level Overhead Water Tank Indicator Project Block Diagram by www.edgefxkits.com The sensor is placed such that the ground terminal of the sensor is kept at the tank bottom and based on the sensor signals sent to priority encoder. The encoder will generate BCD outputs which are fed to the BCD to 7-segment decoder. Thus, the 7-segment display is used to display the amount of water or water level the tank using a scale of 0 to 9. This project can be further enhanced using automatic turn on or off motor for maintaining required water level in the overhead tank. Do you want to design a water level controller on your own at home? In our day-to-day life we use overhead water tank, if water level controller is designed, then we can save water and electrical energy also. The water level controller block diagram is shown below figure which consists of water sensors, transistor, level indicator, battery. Overhead Water Tank Level Indicator The water level sensors used in this project are insulated copper cables, three water sensor cables are used for demonstrating three levels of water, such as empty, half and full levels of water in overhead tank. Three NPN transistors and resistors are used in this project along with water level sensors for analyzing water level by switching ON the LEDs in ascending order. This project can be further enhanced for controlling the motor pump which is used to pump water to the overhead water tank, which can be termed as automatic water level controller using 8051 microcontroller. Ultrasonic Sensor based Water Level Controller using 8051 Microcontroller Similar to 9-level overhead water tank indicator, the ultrasonic sensor based water level controller using 8051 microcontroller project is an advanced and innovative electronics project designed for displaying water level in a tank and also control pump motor accordingly. The water level controller project block diagram is shown in the below figure. Water Level Controller Project Block Diagram by www.edgefxkits.com As represented in the above block diagram, there are various blocks such as a power supply block, microcontroller, relay driver, LCD display, relay, lamp (for demonstration purpose lamp is used instead of a motor), etc.,. The power supply block consists of a transformer used for stepping down the voltage from 230V to 12V AC, rectifier bridge used to rectify the voltage (convert AC voltage to DC voltage), IC 7805 voltage regulator used to maintain a constant output voltage for the circuit. This project circuit consists of microcontroller and components that require DC voltage around 5V, hence, power supply block is used for obtaining required supply to the circuit. The project is designed for controlling the overhead tank water level by controlling the motor operation using a relay. The scale from 0 to 9 is considered for measuring and indicating the water level in the tank. The sensor ground terminal is placed at the bottom of the tank which will give signal to the microcontroller whenever the water level reaches maximum level in the tank. Water Level Controller Project by www.edgefxkits.com Based on the signal received from the water level sensors, the microcontroller generates control signal for operating relay connected to the motor (here it is connected lamp instead of a motor). Thus, the relay will shut down the motor for controlling the water level in the tank. The water level can be indicated over the LCD display. If you are interested in designing electronics projects on your own, then feel free to approach us for any further technical help by posting your ideas, suggestions, queries, comments in the comments section below. Share This Post: Facebook Twitter Google+ LinkedIn Pinterest Post navigation ‹ Previous Know all about Darlington Transistor PairNext › Accelerometer based Gesture Control Robot Related Content Electric Boiler : Working, Types, Differences, Maintenance & Its Applications Retardation Test : Working, Theory, Example & Its Applications Magnetic Materials : Properties, Working, Types, Differences & Their Applications Light-Activated Switch with MOSFET Comments are closed.


Concordant LLC is proud to announce that it has been selected to perform Construction Program Management as part of a spillway modification project for the Bureau of Reclamation on Bull Lake Dam located on the Wind River Indian Reservation in Wyoming.
This project will ensure continued safety and functionality of the dam. Specifically, the project will involve construction of a temporary access road for construction traffic, construction of cofferdams, construction of a new concrete spillway structure, removal of the existing spillway, and replacing the existing spillway with a section of earthen dam embankment. Concordant will provide several vital functions for this heavy civil construction project.
Headquartered in Laramie, Wyoming, Concordant is a national provider of program management, acquisition expertise, and IT services. Concordant takes on this project with the additional satisfaction of serving our local community in support of the Bureau of Reclamation effort to keep this vital infrastructure functional and safe.


Ever wonder what it takes to build a dam? At Fast Pulse, Nelspruit’s leading plant hire company, we know the ins and outs of which equipment will best serve the purpose of successful dam construction and in our latest blog, we explore this fascinating topic.
In South Africa, the construction of dams is of vital importance as South Africa does not have a lot of water. Most large dams are constructed in such a way that they are capable of bearing rails or even bridges.
Dams are used to channel water supply as well as store it. A lot of dams are constructed on rivers and without the use of heavy construction equipment it would be near impossible for the engineers to build these huge dams that can hold the tons of water under pressure.
Before dams are built, the purpose that that dam is going to serve is carefully planned. Some of the reasons for building a dam are as follows:
- Providing protection from flood, by channelizing water supply
- Reserving water or making water reservoirs at the backwater dams
- Creating shipping channels as lateral dams
- Producing hydroelectricity.
The construction equipment used to build a dam, whichever your chose, is always the same.
List of heavy construction equipment needed for dam construction include:
The first step when building a dam on a river is to divert the river away from the construction site. Once the river has been successfully diverted the ground where the dam is going to be can be excavated.
After the excavators have done their work the loaders get called in to remove the excavated ground from the construction site. Loaders remove the ground to another area so that the construction site is completely clear of debris. High power pumps come in after the loaders to remove all water from the entire area to enable further construction.
Once dried, the compactors are brought in ensure that the ground is suitable compacted before construction can start. Often several different kinds of compactors are used to get the area completely compacted and safe for the construction of a dam.
- Ready-mix concrete trucks
Because huge amounts of concrete gets used in the construction of a dam, ready-mix concrete trucks are brought in to mix and fill the area with concrete. With the construction of very large dams, mixing plants are often built on the construction site.
Large amount of water is stored in dams and so engineers make plans for dams with either gates in them or an outlet for excess to be able to flow away safely once the dam is full. Once the concrete is dried up entirely, the original path of the water is channelled back to its original path. The dam is now ready for either storing water or holding water or in cases of huge dams, generating hydro-electricity.


GCPI - Al-Faw IWPP
General Company for Ports of Iraq (GCPI) is planning to undertake the construction of the Al Faw Power and Desalination Plant in the Basra Province of Iraq.
The US$6000 million project includes the following:
1. Construction of 3000MW power plant
2. Construction of a desalination plant with a capacity of 1,250,000m3/day
3. Construction of a substation
4. Construction of water purification plant
5. Installation of water transmission pipelines for the distribution of the desalinated water to the cities of the Basra Governorate
6. Construction of water tanks
7. Construction of warehouses building
8. Construction of medium voltage transformers plant
9. Installation of transformer
10. Laying of transmission lines
11. Associated facilities
02 November 2022
The Iraqi General Ports Corporation has signed a framework agreement with Shanghai Electric Group.


Originally this work comprised of the construction of two reinforced concrete headwalls on the ends of an exisiting brick culvert, with a short connecting section of precast concrete box culverts at the upstream headwall.
Subsequent inspection of the existing culvert showed it to be structually defective. The exisiting stream was diverted around the proposed works and the exisiting culvert demolished. Even with the stream diverted 24 hours a day pumping was required to keep the excavation dry enough to construct the works. The headwalls were built to meet the local highway authority requirements and a very high level of accuracy was required to ensure these were met.
The installation of a precast concrete box culvert 60m in length, 3300mm wide and 1500mm on a reinforced concrete bed was completed in a two week period with the brick clad insitu concrete headwalls constructed at each end on completetion. The upstream headwall incorporated a removable flow restricting section. On completion of the reinforced concrete work the culvert and stream diversion were backfilled and made good.


长江南京以下12.5米深水航道二期工程（phase II project of 12.5m deep water channel under Nanjing of the Yangtze River）
Project location： Jiangsu Province, China
Project name：phase II project of 12.5m deep water channel under Nanjing of the Yangtze River
Project specification：Project specification: two new submerged breakwaters with a length of 1817m and 1919m and 5 special revetments with a total length of 12.29km are to be built. The main structural types are riprap slope breakwater or bag sand core breakwater and riprap revetment with soft mattress and double twisted I-shaped permeable frame energy dissipation and scour proof structure.


BMP series motor are small volume, economical type, which is designed with shaft distribution flow, which adapt the Gerotor gear set design and provide compact volume, high power and low weigth.
* Advanced manufacturing devices for the Gerotor gear set, which provide small volume, high efficiency and long life.
* Shaft seal can bear high pressure of motor of which can be used in parallel or series.
* Advanced construction design, high power and low weight.
2-Ø13.5 Rhomb-flange,pilot Ø82.5×8
4-Ø13.5 Rhomb-flange,pilot Ø82.5×8
4-3/8-16 Square-flange,pilot Ø44.4×2.8
4-M10 Square-flange,pilot Ø44.4×2.8
Shaft Ø25,parallel Key 8x7x32
Shaft Ø32,parallel Key 10x8x45
Shaft Ø25.4,parallel Key 6.35x6.35x31.75
Shaft Ø25.4,splined tooth SAE 6B
Short shaft Ø25.4,parallel key 6.35x6.35x31.75
Shaft Ø31.75,splined tooth 14-DP12/24
Long shaft Ø31.75,splined tooth 14-DP12/24
Shaft Ø31.75,parallel Key 7.96x7.96x31.75
Cone-Shaft Ø28.56,parallel Key B5x5x14
Cone shaft Ø31.75,parallel key 7.96x7.96x25.4
Port and Drain Port
G1/2 Manifold Mount 4xM8, G1/4
M22×1.5 Manifold Mount 4xM8, M14×1.5
7/8-14 O-ring manifold 4x5/16-18UNC, 7/16-20UNF
1/2-14 NPTF Manifold 4x5/16-18UNC,7/16-20UNF
PT(Rc)1/2 Manifold 4xM8, PT(Rc)1/4
Big radial force
No case drain


Sea Flow underwater survey rover
to research and build a fully submersible remote operated vehicle adaptable for survey purposes.
This project uses two pumps to control the buoyancy of a specially designed submersible vehicle. A control unit is used to control the operation of the submersible.
This project has an IP rating of 68. which means it is fully submersible and is a fully closed system.


BAPS MANDIR - Tyngsborough, MA
MBL provided survey and engineering services for the design of a 55,600 s.f. religious facility on Westford Road in Tyngsborough, Massachusetts. The project involved permitting with the Planning Board, Conservation Commission, MADEP and the Sewer Commission. The project included an extensive stormwater management analysis and design which included a bioretention area, vegetated infiltration basins and subsurface stormwater recharge facilities.


The project involves the construction of a new junction from the A361 near Tiverton, Devon, due for completion June 2022.
A key development of the Tiverton Eastern Urban Expansion providing additional capacity and enabling access to the employment sites in the north westof the area as well as servicing the proposed future residential housing infrastructure in the area. Phase 1 included a left in left out junction on the A361 east of Tiverton including earthworks, drainage, landscaping, safety barrier, acoustic barrier / fencing and resurfacing of the A361.
The work comprises the construction of 200mof new link road with a new roundabout to the North which will tie in with a new over bridge on the A361 to be constructed in the future.
The extension of this new link road will tie in to a new temporary bellmouthon Blundell’s Road. Works entail the construction of a new spine road to the south of Blundell’s Road which will form the main access to the new housing development. As part of these works is approximately 2.5km of storm drainage and 1.5km of foul drainage to be installed. The storm drainage will outfall to two new attenuation basins south eastof Blundell’s School. These basins will allow water to percolate to the natural soils so as tominimise any impact the development will have on ground water levels. The foul drainage will tie into the existing network on Blundell’s Road.


Skimmer Water level detector
Produkt code: # 13366
Skimmer water level meter for devices of the ASIN AQUA HOME, ASIN AQUA SALT, ASIN AQUA OXYGEN, ASIN AQUA PROFI series.
The water level is monitored in two levels.
1) Filling OFF - required level reached Refilling stops.
2) Filling ON - level at which refilling starts.
Levels are entered in centimeters in the configuration of ASIN AQUA.
The cable for connecting the water level meter to the device is not included in the package.


Kick-off meeting of the project “Öreg-Túr rehabilitation - Phase II.
The kick-off meeting of the project “Öreg-Túr rehabilitation - Phase II.” was held on 17 July 2015 in the village of Nagyar (Szabolcs-Szatmár-Bereg county, East Hungary). The development of the Öreg-Túr’s water system is supported with 895 thousand EUR by the EEA Grants programme. This is the second phase of a programme, which aims to improve the water balance and increase the water level of the 63 km long Öreg-Túr river. Among other activities, in this phase technical interventions will be implemented, such as the reconstruction of the existing infrastructure, new bottom weirs and regulation locks will be constructed and renewed, the river bed will be dredged, automatic water-level monitoring stations will be installed, and water quality meters will be installed. Besides these technical interventions the rehabilitation also includes the ecological assessment of the Öreg-Túr. According to the current plans the works will last until April 2016. The river Öreg-Túr and its drainage area in the Szatmár region covers an area with a population of 18 thousand people.


The culvert replacement and storm water conveyance project, located in Anne Arundel County, Maryland, included a proposed culvert replacement plan prior to construction.
DFI was responsible for providing Construction Management & Inspection services, including project management and inspection of the installation of a concrete culvert under Southdown Road and the construction of a step pool storm water conveyance system to Beard Creek in Edgewater, Maryland. DFI performed a Quality Assurance/Quality Control (QA/QC) review of the proposed culvert replacement plan prior to the beginning of construction. This review included conforming the hydraulic design and detail for the sizing of the culvert to eliminate flooding of the roadway and scour of the receiving channel.
The culvert installation included the excavation and reconstruction of the roadway embankment, preparation of pipe bedding, paving of the roadway, protection of existing utilities, and sediment and erosion control. The step pool storm water conveyance construction included four (4) small channels (approximately 691 Linear Feet (LF) in total) conveying roadway drainage and construction of approximately 400 LF of mainstem channel construction.
The project consisted of clearing and grubbing, the eradication of invasive species, the maintenance of stream flow, channel or stream change excavation, the construction of cascade structures and riffle weirs that included compost, large woody debris, bank run gravel/sand/wood chips and cobbles. It also included the placement of 309 cubic yards of granite boulders.
This project was completed under contract with AACO with a grant from the State of Maryland.


The 250 GPH pump is compatible with TurboKlone's patented T24 Cloning system and the 450 GPH pump will work with TurboKlone's patented T48, E96 and E144 Cloning systems. These pumps are compact, small yet with a reliable flow rate, making it suitable for use in fountains, aquariums, ponds and water features.
- Can be used outdoor and indoor
- Weatherproof wires
- Multi connection
- Adjustable speed
- Reliable performance
- Suitable for fountain, aquarium, pond, water feature


Vrede Local Municipality
Summary of Services
- Quality Management
- Project Management
The Vrede-Thembalihle Dam is located near Vrede in the Northeast Free State on the Spruitsonderdrift River. Vrede-Thembalihle Dam was built as a municipal drinking water supply dam to the town of Vrede. Vrede-Thembalihle Dam was initially conceived as a roller-compacted concrete (RCC) gravity dam and the local municipality of Vrede called for tenders for the construction of the dam. Reonet offered an alternative design consisting of a non-overspill earth embankment and a spillway constructed of rubble rock masonry concrete. Reonet’s alternative tender offer was delivered as a fixed-price turnkey project, at half the price of the tenders received for the original RCC tender design. Vrede-Thembalihle Dam has a capacity of 2.44 million cubic meters, is 18 meters high and has a spillway crest length of 50 meters.
The project delivered the following benefits:
- Water security to the town of Vrede
- Generating many jobs in the construction of the dam


Ejectors are typically designed for the PN25 pressure class. The mechanical connections and the geometrical design depend on the specific application conditions such as pressure, temperature, flow and fluid.
Connections for pressure measurements or built-in filter elements are available as options, as well as designs for other pressure ratings.
- Nominal pressure PN≤ 25bar
- Temperature range of fluid3 … 323K (-270 … +50°C)
- Mass flow5g/s … 60g/s


Water levels on the Great Lakes are expected to be both higher than average and higher than last year throughout the summer and into the fall. The U.S. Army Corps of Engineers tells us lots of rain in April and May pushed the Great Lakes levels higher than forecast. Now, the predicted summer water levels on Lakes Superior, Michigan, Huron, St. Clair, and Erie will be at their highest levels since around 1996. Also, Lake Ontario set a new water level record in May. Higher water levels are better for shipping on the Great Lakes. The Army Corps of Engineers issues its Great Lakes water level forecast every month.


Lower Cherry Aqueduct Rehabilitation
The project includes: rehabilitation of the existing Cherry Creek diversion dam, the installation of two new sluice gates with controls and four new slide gates, replacement of the hydraulic control room and the gatehouse, rehabilitation of the access trail, installation of bat exclusion devices on the tunnel inlets and outlets, repair or reinforcement of concrete saddles at the aerial crossing, and construction of a cover over the top of the existing forebay. Construction is scheduled to begin in Summer 2018, and finish in Spring 2019.
Kirkwood Penstock Rehabilitation
This project will reduce the overall risks associated with a Kirkwood Penstock failure. Its scope includes: Installation of a foundation monitoring system, procurement of large-diameter couplings, procurement of repair plates, repair to an existing reinforced concrete saddle, and maintenance of the existing drainage system. Work is in progress now, with completion expected in July 2018.


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The Beijing Institute of Water was tasked with this CNY 3.4bn project to support the Hexi Branch sub-project in creating construction drawings of multiple pumping stations, water transmission lines, and water treatment plants.
Leveraging BIM methodologies to manage the design and information management, the entire system was designed using 3D modelling and Bentley’s ProjectWise as the central collaboration environment. From these design models, construction drawings and secondary design analyses were conducted using MicroStation for annotation and rebar assessment, greatly improving the efficiency of creating detailed drawings.
In addition, the project team used Descartes to create surface digital engineering models and building models, allowing the team to track construction completion digitally, rather than relying on paper queries for information.
Bentley’s HAMMER was used to analyse and calculate the hydraulic transition between the pumping stations and to calculate pressure distribution along the path in case of pump shutdown, ensuring that the system can operate safely under any circumstance.
Three-dimensional geological models of the entire site using MicroStation resulted in 60% faster modelling times compared to previous 2D methodologies. This process also enabled the direct creation of a complex pipeline mesh model to calculate the shortest clear directions to optimise the design and protection of various pipelines. This innovative, first-of-a-kind approach saved 80% in design time compared to previous 2D methods.
By combining full lifecycle management concepts, the Hexi branch project carried out design work of intelligent water in the initial design phase. From this intelligent water design, the project has developed a strong technical basis to support operation of the project through leveraging 3D collaborative design results, building reliable model information archives and enabling the project to fully realise digital design, digital construction management, and digital operations.
Xin Yin, chief engineer of the Information Center for the Institute, said: “This project is not only an example of 3D application in water supply engineering for an urban long-distance tunnel, but it is also a successful 3D practice in design, construction, and management.
“Taking this project as a symbol, we will lead 3D design trends in long-distance, super-large-pipe water transmission engineering, ushering in a new era in the industry in which 3D collaborative design is widely applied to the field of water conservancy design.”
The post BIM methodologies help Beijing Water increase water distribution appeared first on Planning & Building Control Today.


Dam 15 at Paloma Lake is currently under construction. The lake has been lowered and pedestrian trails are closed. The rehabilitation project will repair wind driven wave erosion at the base of the dam. Work is expected to be complete in Spring of 2022.
Dam 22 Rehabilitation is currently out for bid. This rehabilitation project will completely overhaul the dam and replace the drain pipe running through the dam. Construction is expected to start in late Spring and will probably last around a year.
Permitting and Design for Dam 101 continues.
You can get regular updates on our projects page for more detailed information.


|Home||» Products||» construction machines||» Hydraulic paver machine|
Hydraulic paver machine
This is hydralic paver Machine offered by us are widely used in the construction industry. We offer these Mosaic tiles / paving block machine with auto pressure control and hi-tech control panel. These are easy to operate with there one touch operating system.


Hydroelectric Power Plant, Alto Maipo
In November 2014, INPROCON was commissioned with taking on the technical office with a management role. This role comprised: design coordination, cost controlling, schedule controlling, coordination of subcontractors, etc.
The project was successfully completed by INPROCON.
The project comprises the construction of two hydroelectric power plants with a total capacity of approx. 531 MW: Alfalfal II and Las Lajas, approx. 50 km southeast of the Chilean capital Santiago in the high Rio Maipo basin. Scope of work: tunnels and shafts with a total length of 46.5 km, excavated as an open construction or by blasting as well as drilling using tunnel boring machines.
STRABAG S.p.A., Chile
US$ 490 Mio


APM Delivering His Promises With Distinction As Construction Of Bwanje Dam Finishes
As one way of making Malawi a predominantly producing and exporting country President Professor Arthur Peter Mutharika launched the construction work of Bwanje Dam in Dedza which will be the biggest dam in the SADC region and is expected to store sufficient water for Irrigation purposes in both rainy and dry season.
A recent visit to the site has reviewed that the construction work ended in October this year and currently officials are haversting water ready for massive Irrigation purposes in two weeks time.
During the launch of the transformative project President Professor Arthur Peter Mutharika said the construction of the dam is part of his great vision of making Malawi a predominantly producing and exporting country.
On this point Professor Mutharika added that the construction of the dam is also part of the green belt initiative that will see farmers growing crops the whole year without depending on rain
The dam is 40 metres high and approximately 150metres long with a storage capacity of 5.6m cubic litres.


Tubing Hanger Type H Back Pressure Valve - Inconel 718 for HH Sour Service
This type H back pressure valve is a one way check valve used to seal tubing pressure while the blowout preventers are removed and the christmas tree is installed. It also allows fluid to be circulated down the tubing and prevents backflow.
The type H back pressure valve is available in multiple sizes and materials. 1-1/2" through 6-5/16" are available.
Please select the correct size from the drop down menu before purchasing.
For 4130 Alloy back pressure valves, please click here.
For 17-4 PH Stainless Steel back pressure valves, please click here.


NHPC is planning to set up the Bursar hydro electric project in Kishtwar district of Jammu & Kashmir. The project involves setting up of Concrete Gravity Dam of 265 m height from the river bed level with one head race tunnel of 8 km. The project will be a storage dam project on Marusudar river (a tributary of Chenab river) and an underground power house (4 X 200 MW ) will be constructed in Lopara village. Land requirement for this alternative is 1665 ha out of which 1077 ha is forest land involving 500 ha inside Kishtwar High Altitude National Park (KHANP) and 577 ha outside KHANP.
Company Profile : NHPC Ltd


TC-MW type bull's eye two-color water level gauge is a direct reading instrument used to monitor the water level of subcritical and supercritical boilers and pressure vessels. This type of two-color water level gauge has a self-flushing structure in the body, which can prevent the observation hole from hanging on, and improve the display effect and the service life of the window. This type of water level gauge has the function of steam tracing, which uses the saturated steam in the steam drum to trace the water level gauge to reduce the water level difference caused by the temperature difference between the steam drum and the water level gauge, so that the water level measurement is more accurate. TC-MW type bull's eye two-color water level gauge has explosion-proof function and is suitable for the application of explosion-proof sites in the petrochemical industry and other industries.
TC-MW type bull's eye double-color water level gauge window sealing structure is divided into winding type and disc spring type. The disc spring type sealing structure is specially designed for the working conditions of frequent starting and stopping of cracking furnaces in the petrochemical industry. Airtightness ensures safe, reliable and stable operation of the device.
Selection parameter table
|Model||Display form||Nominal pressure (MPa)||Design pressure (MPa)||Medium saturation temperature (℃)||Installation center distance (mm)||Visible range (mm)||Sealing structure|
|TC-MW16-7ⅢB||Seven holes have blind spots||25||16||345||670||454||Winding|
|TC-MW22-7ⅢB||Seven holes have blind spots||32||22||375||670||454||Winding|
|TC-MW16-7ⅣB||Seven holes have blind spots||25||16||345||670||470||Disc spring|
|Note: Technical parameters such as water level gauge center distance and visual range can be manufactured according to user needs.|
|Function selection||Heat tracing function (/R); explosion-proof function (/Ex)|
|Monitoring method||On-site observation or water level TV monitoring|
|Water level display||Color separation according to medium, soda red water green|
|Water source||60W 24VDC Light Emitting Diode (LED)|
|Connection method||Welded or flanged connection|
|Installation direction||Left or right|
|Wrapped seal structure|
|Disc spring seal structure|


Memve'Ele Hydroelectric Dam Goes Operational
The population of the the South Region of Cameroon has been celebrating following the connection of the the Memve'ele power plant to the south inter-connected network.
The joy of the local population was sized up by the Minister of Water and Energy, Gaston Eloundou Essomba, after visiting the site of the dam.
So far, 30 megawatts of the dam have been put into use while the targeted 211 megawatts expected to be churned out at completion of the project will be achieved in the long run.
The Memve'ele hydroelectric dam, which is expected to reduce the energy deficit in the country, was started in 2012 and was expected to be completed by 2017.


New style K valve
Kingston Angled Flow Control Valve offers quality and performance at pressures up to 1200 psi. Sometimes referred to as the 'K' Valve.
This high pressure flow control valve is made of a forged brass body with a stainless steel stem assembly. The Kingston Angled Flow Control Valve is a recognised leader in durable, light-weight, high performance flow control. Max. operating pressure 1200 psi Temp. range –40°F to 225°F


Greencrest Dr/East Creek Bend Stormwater Improvements Project
The Greencrest Drive (CE-40) and East Creek Bend Stormwater Improvements Project includes two projects under one construction contract.
The Greencrest Drive project consists of the installation of a storm drain pipe and associated structures, header curb, headwall construction and Rip Rap installation, roadway milling and overlay, and the construction of a drainage ditch.
The East Creek Bend project includes the removal and replacement of the existing 54" corrugated metal pipe with a 14' x 4' precast bottomless arch culvert. Work also includes the construction of gabion walls, relocation of an existing waterline and minor asphalt work.
On February 7, 2017, a construction contract was awarded to Georgia Development Partners and construction is scheduled to begin in early April 2017. The project is scheduled for completion in late September 2017.
For more information, please contact Engineering Division at (706) 613-3440


Work continues on sewage plants
THE major concrete pour has started in the construction of sewage treatment plants in Cannonvale and Proserpine.
The massive concrete tank at Cannonvale will measure 36 metres wide by 34 metres long and six metres high and will form the major component of the project while the Proserpine plant is a smaller structure.
Council's mayor, Jennifer Whitney said this was a significant milestone in the construction of the new sewage treatment plants.
"Cannonvale currently has 85 per cent of the floor slab complete while Proserpine's floor slab is already complete," Cr Whitney said.
She said the sheer size of these projects was enormous and the concrete works alone totalled about $3.3 million.
The concrete work on the tanks is expected to be complete by late December 2012.


稿源：津滨网 编辑：王宁 2020-04-17 15:33
The reporter learned from the subsidiary Investment Holding Co., Ltd. of Binhai Construction Investment Group that the multiple drainage pipe network renovation projects in the Tianjin Economic-technological Development Area (abbreviated as TEDA) that construction it is responsible for has gradually entered the second half of the construction stage, and is expected to be completed this year. The renovation project of Donghai Road drainage pipe network located in Tianjin Binhai New Area (TBNA for short) along the wiring of Xingang Road No. 4 and Binhai Avenue has now entered the final stage, and is expected to be completed and accepted in August. The second outlet pipeline project of the pumping station on Fifth Avenue is currently under construction for the main structure of the square culvert, which is expected to be completed and accepted in June. In the future, after the completion of these drainage pipe network renovation projects, the drainage capacity of TEDA will be further improved, and the living conditions of citizens will be improved.


Mag Drive 190 Pump is suitable for small to medium sized garden fountains, piped statuary, and ponds. It has a maximum flow of 190 gph with a 7 foot shut off, can be used in a horizontal or vertical position, and has built in, adjustable flow control. It features a ceramic shaft, foam pre filter, elbow, 10 foot, grounded power cord.
• Danner mag drive model 1.9 190GPH statuary pump with 10' cord
• Maximum flow of 190 GPH with a seven foot shut off
• Used in a horizontal or vertical position
• Adjustable flow control
• Ceramic shaft, foam pre filter, elbow, 10 foot, grounded power cord


A floor pump with high performance. The CUBE floor pump has a Presta and Schrader double valve head with quick release lever and a stable plastic foot and an integrated pressure gauge. Maximum pressure 160 psi
(LxWxH) 21 x 18 x 63 cm
- Presta and Schrader valve head with quick release lever- plastic foot with integrated pressure gauge- 160 psi max.


Electronic water level indicator circuit the above mentioned electronic water level alarm circuit diagram comprises of 4 probes, and that are. In this project, we are using a water level alarm using simple and low cost hardware circuit diagram of water level alarm using 555 timer – electronicshub. This article shows simple circuits of water level indicator with alarm three circuits were shown here are first let us build a water level alarm using simple transistors table of contents circuit diagram water level control. The water level alarm circuit is a simple mechanism to detect and the water level indicator circuit diagram monitors the level of water in the.
Water alarm detector that can be used at home to detect the level of water outside the house block diagram for wireless communication. This is a tutorial to build a simple water level indicator alarm circuit using transistors it indicates different levels of water and raise an alarm. This circuit utilising a 555 timer ic can be used as an alarm system to prevent the theft of water level indicator with alarm click here for circuit diagram.
This simple water level indicator for overhead tanks that uses three leds to indicate minimum, middle, and maximum water levels in the tank. Use the level controller within the specified ranges for ambient operating temperature, for details, refer to the technical explanation for level controllers. Design and software development the general block diagram of smart water level detector monitoring system is as follows: fig 1 block diagram of smart water. Here i have described a simple water overflow alarm circuit with the help of two ic that is lm741 and um66 which will give an musical alarm when your tank.
We just need to remove ldr from the circuit and put the wires into water, then it simply works as vek2639 – liquid level controller kit but if you want to make an even simpler and effective water level indicator and alarm, you can check out this site: sign up for a pcb design contest to win $1000.
Design water tank level controller / mohd fairuz masrom design water tank maintenance sensing mechanism that used to sense the water level in this project is easy b water level indicator with alarm c component . Abstract : this paper shows a design of a water level indicator with pic microcontroller lcd used to show the level of water in both reservoir and main tank buzzer supports in circuit debugging (icd) via two pins – pgd and pgc iii. Water level indicator 3 levels for pool tank assembled electronic circuit : fa902 roll over image to afo & po box) see more product details wi- fi water level / sump monitor sensor with buzzer, email/ text alerts 45 out of 5 stars.
The circuit to indicator leds is completed through probes immersed in water in the tank though probes themselves.
As the water level rises or falls, different circuits in the controller send different signals these signals and immideately the pump stops functioning and the buzzer con- nected will to design this system, we used transis. Abstract an automatic regulator suitable for water level sensing and control was realized using the mc14066 integrated circuit this enabled. These circuits are very dependent on the resistance of the probe though, especially top side like that you might be better off doing it this way.
This is simple high water level alarm circuit diagram which we need to build it then the level water to the sensor point cause current can flow. Design and implementation of a fully automated water level indicator if the water level is full, then the circuits beeps through the buzzer notifying that the. Numeric water level indicator- liquid level sensor circuit diagram with 7 using 555 timer ic water level, simple water level indicator alarm circuit diagram,.


Following similar work in Kain, the weir and lock complex is being completely modernised in Herinnes. This will ensure that the water level of the Scheldt remains suitable for shipping. The interventions are part of the European Seine-Scheldt project, which is intended to facilitate inland waterway transport on busy rivers in northern Europe.
Hydroelectric power plant provides its own energy supply
The old lock complex at Kain, which was built in the 1920s, could no longer meet contemporary requirements. A new water channel was excavated for the modern weir, which has a 1.65-metre waterfall and two 12-metre wide weir channels. A hydroelectric power station with a capacity of over 1,000 MWh/year was built on the site of the old structure, and the lock thoroughly renovated at the same time. The Hérinnes project is almost identical to that carried out at Kain.
ENGIE Fabricom’s role
ENGIE Fabricom is supplying and installing the electrical and electromechanical equipment for both the new weir and modernisation work on the existing lock. We are resorting to virtually every kind of waterway technical equipment currently relevant and available for these projects, such as:
- a hydroelectric power plant (three large Archimedes’ screws)
- mechanical and hydraulic equipment, more specifically for the dam
- power current and LV current
- automation and supervision
The works mainly concern the delivery and installation of:
- the two valves which move the new dam (cylinders and their connections, pipes, hydraulic units)
- the valve hinge bearings (supply only)
- the three hydrodynamic screws and associated control valves for the hydroelectric power plant
- the overhead crane in the hydroelectric power station building
- the transformer station
- the emergency generator
- the main LV switchboards
- the electrical installation in the control building
- the electrical wiring of the entire site
- the outdoor lighting
- the control system (sensors, PLCs, control panel) for the entire lock, dam and hydroelectric power station
- intercom system, VHF and river signs
- fibre-optic connection
At Hérinnes, we also installed a 2.5-km long HV line to the Schelde bridge in Warcoing.


Irritrol 100 Series Control Valve
Tracing its origin to the highly popular Century Series, the 100 Series delivers reliable performance with a host of enhanced features.
Nelson 1000 Series Control Valve
This valve is engineered for high flow and low pressure loss, with the ability to handle difficult water conditions.
Nelson 800 Series Control Valve
As a hydraulically operated sleeve-type valve, the 800 series control valve is designed for versatility and durability.


Hagley contracted CGC Geoservices to perform the restoration of the dam and adjacent millrace. Construction of the spillway restoration began in July during the typical seasonal low flow period. Adjustments were made to the design as necessary based on the actual conditions uncovered during construction as well as to deal with the challenges of construction in the middle of the Brandywine River during what ended up being an unseasonably wet Ssummer and fall construction period, requiring ontinuous innovation in the construction approach.
The project included dewatering of sections of the dam to allow evaluation and repair, placement of large boulders, riprap and concrete in the middle of the river, reconstruction of masonry walls, maintenance of sediment and erosion controls throughout the project, and vegetative restoration of the stream banks in a natural river setting.The dam restoration was successfully completed within budget and with minimum disruption to the surrounding historic and natural setting.
This project was recognized with multiple awards including theNew Castle County Historic Preservation Award for Industrial Technology Restoration and the Construction Excellence Award for the State of Delaware and the Delaware Contractors Association.


The Pickle Road Storm Sewer Relief Ditch Project is designed to improve drainage along Pickle Road between Coy Road and Oak Tree Subdivision. Construction work is set to begin early February and should be completed by the end of September, 2018.
The project involves the replacement of existing storm sewers along the south side of Pickle Road, the west side of Flo Drive and the south side of Mary Allen Drive with larger storm sewers. A new open channel relief ditch will also be installed just west of Cardinal Bay Subdivision to provide a relief overflow path from Pickle Road to the Navarre Avenue storm sewer. In addition, an asphalt bike path will be installed along the new relief ditch between Pickle Road and Navarre Avenue.


Infrastructure projects include the construction and improvement of roads, railways, pipelines, ports, airports, hydroelectric plants, and others. We help our clients plan, finance, and manage their infrastructure projects, by combining our engineering and technology expertise.
Underground preparation of Hydraulic System
Construction of channels of the hydraulic network
Assembly of bridges over Hydraulic network
Assembly of sub electric station
Installation of lighting
Underground Preparation of Hydraulic System


SQUALO 35 230/50 BASIC - погружной электронасос для AdBlue/воды, 35 л/мин
SQUALO35 is the first submersible pump for AdBlue® to have been especially
developed and tested for distribution systems. A centrifugal pump fitted with
a turbine regenerator with non-return valve and a built-in innovative pressure
regulation system that optimises flow rate performance levels. Consistent flow rate
and accuracy during delivery dramatically reduce energy consumption levels. The
compact size and special pump design make for easy installation and near-complete emptying of the intended installation tank.
- PIUSI (Италия)


Nord Minerals became the supplier of a floating pump stations for the greenfield project Almalyk MMC JSC
Almalyk MMC JSC one of the world's largest copper-molybdenum ore deposit named "Yoshlik-1" and responsible for copper mining plant construction with the capacity of more than 60 million ore tons per year.
These floating pump stations fit copper concentrator water supply for constructing plant. These pump stations are designed and supplied by Nord Minerals on a turnkey basis: two pump stations have six operating and two standby pumping units, each with a capacity of 2000 m3/hr.
The combined capacity of the two floating pump stations will be 12,000 m3/h and the total water pressure is over 130 meters.
In addition to the floating modules elements of onshore infrastructure, such as operator's office, pump frequency converters located in individual block-modular buildings onshore are included in the scope of delivery.


Long Lake Hydro Project
British Columbia, Canada
The Trio Creek Hydro Project is a 25-megawatt run-of-river hydroelectric project located near Harrison Lake, British Columbia. CC&L Infrastructure completing construction of these facilities in partnership with the project developer and local First Nations, with the project expected to be operational in 2022.
Upon completion, Trio Creek will be capable of producing enough clean energy to meet the needs of approximately 8,000 homes in the province each year.


Q2. INTRODUCING HYDEL POWER HIGHLIGHT THE HYDEL POWER PROJECTS IN PAKISTAN.
WHICH HYDEL POWER PROJECTS OF PAKISTAN HAVE BEEN PLAYING CONSTRUCTIVE ROLE IN GENERATION OF ELECTRICITY? EXPLAIN.
Pakistan possesses 30000 MW generating capacity of hydel power which is the cheapest source of energy. Fortunately, rivers flowing in Pakistan get water from the rice melted on the mountains therefore, these are the perennial rivers which have water whole of the year. Most of the hydel power projects are located in the North Western part of the country.
Prior to inception of Pakistan there were two hydel power projects here: one was established in 1925 at Ronala having capacity of one MW and the other was established at Mala Kand in 1938 with a generating capacity of 20 MW. Today there are 13 hydel power projects engaged in generating 5010 MW electricity. One gigantic project is under completion on Terbela Dam and one of its units began to generate eloctricity in since October, 2000 with a capacity of 290 MW. At the completion of this project, the total generating capacity of this project would be 1450 MW 290 each unit or there would be 5 units of this project.
Total hydel energy in Pakistan is under the control of WAPDA (Water and Power Development Authority). Out of 13 hydel power projects of Pakistan. 4 (Terbela, Mangla, Warsak and Chashma) are big while the remainder are small hydel power projects.
The detail of the 5 big projects is given below:
1. TERBELA HYDEL POWER PROJECT:
Terbela Dam has been constructed blocking water of River Indus at Terbela which is biggest earn filled dam of Asia and the biggest power generating project of Pakistan. This project has been constructed in the Province of Frontiers 32 miles away from Attock. The length of this dam is 9000 ft., Width 8,500 ft while the length of its lake is 500 ft which is located at the back of the Dam. The height of Terbella Dam is 485 ft. The lake of Terbella Dam has the capacity to store 1300,000 Cusbc Ft. water. Fourteen power generating units have been installed on the basis of thIs project with the total capacity of 20,00.000 KW electricity. The work began on this project in 1955 and was completed in 1988. Terbella is a multipurpose project which, in addition to generate power, irrigates the agricultural lands also.
2. MANGLA HYDEL POWER PROJECT:
Near Mirpur (Azad Kashmir) (Mangla Multipurpose Dam has been constructed on River Jehlum. The total generating capacity of 10 units attached o the Mangla Project, is 1000 MW. This clam, in addition to generating electricity irrigates 300,000 hectares of agricultural land also. On the left bank of Mangla Dam there are 5 channels and each of which is 1600 ft. long. The electricity produced by Mangal Project has been attached to the Grid System. The length of this dam is 1100 ft and height is 380 ft. while the length of the lake is 40 mile.
3. WARSAK HYDEL POWER PROJECT:
Under this project, at 20 mile North of Peshawar, Warsk Dam has been constructed at Warsak on the River Kabul. This project is provided water by a 717 wido trench like channel. The length of Warsak Dam is 750 ft and height is 239 ft. The length of the lake of the dam is 26 mile while it 1000 ft. deep having the water strong capacity of 20,000 acres ft. Four turbines have been fixed at Warsak Power Station with 40,000 KW electricity each. The total generating capacity of this project, in this manner, is 1, 60,000 KW. The Warsk project, initially, was constructed for power generation but it was converted into multipurpose project due the following reasons:
a. The project provides irrigation water to 100,000 hectares of land through tube wells.
b. It provides irrigation water to 93,000 hectares of land in Tribal Areas.
c. This projects also helps in fish keeping.
Warsak Project provides electricity for both domestic as well as industrial purposes. The economic wellbeing of this area depends on the Warsk Projects. Canadian Government has provided financial assistance in completion of this project.
4. CHASHMA HYDEL POWER PROJECT:
Chashma Power Project was completed in 2001. This project consists on 8 power stations with a 23 MW generating capacity each. This project is located on the right hand of present Chashma Barrage on river Indus in the district of Mianwali. This reservoir of water is also used to store water leaked out from Terbella Dam.
Apart from these 4 big hydel power projects, some small hydel power projects are also in operation.


EMPUR® control manifold
EMPUR® control manifolds
EMPUR® control manifolds are suitable for variable or constant flow temperature control in combination with control set V or K for the hydraulic integration of low-temperature floor heating in existing heating systems.
The latest generation of EMPUR® control manifolds is manufactured from 1” brass profile pipe. They are completely pre-assembled on manifold holders with sound insulation inserts and are equipped as standard with a high-efficiency pump, fine control valve, valve body for rule set, thermoseparator, 2 shut-off valves, 2 rinsing, filling and drainage valves as well as a pointer thermometer.
EMPUR® actuators can be installed directly instead of the blue protection cap on the return flow valves. The feed flow valves underneath are equipped with controllable and adjustable flow rate indicators (0-5 l/min).


Assembly Block 1“
High-quality stable assembly block/bypass line made of brass with integrated shut-off valve bypass valve with handwheel.
Drinking water softening systems PN 10 with integrated blenders as well as for the industrial, commercial and household sectors.
- Water temperature max.: 90 ° C
- Max. operating temperature: 90 ° C
- Material: Brass
- Pressure level: PN10
- Nominal flow diameter: DN 25


Start Year: 2016
Activity type: Irrigation-Agriculture
Client: GK Consultants
P&SA performed a Cost Benefit Analysis and a financial analysis of a planned investment in the area of Mara Valley and Ngono Valley. The project includes the construction of a dam as well as the construction of a pipeline network for the irrigation of the studying are.


GEMU N082 PVC-U Pressure Reducing Valve ensures that a constant outlet pressure is maintained in process plants utilizing the pressure differential. It is used to reduce the pressure to a specified value, which can be conveniently set using a set screw.
Outlet pressure can be read off a diaphragm-protected pressure gauge and the spring force adjusted using a set screw as required.
Available with EPDM or PTFE seals, in sizes: DN65, DN80 and DN100.
PVC-U body with spigot connection.
Working media temperature: 10 to 60°C.
Operating pressure: 0.9 to 6 Bar (DN65-DN80), 0.6 to 4 Bar (DN100).
Can be used without auxiliary power.
Inlet pressure is reduced to the required outlet pressure, utilizing the pressure differential created.


Nam Ngiep 1 Power Company Limited (NNP1PC) was set up to develop Nam Ngiep1 hydropower projects in Lao PDR, with KPIC Netherlands B.V. holding 45%, EGATi 30% and LHSE 25% of the stocks.
Nam Ngiep 1 Hydropower Project is located at Ngiep River in Bolikhamxay district in the middle of Lao PDR, 145 kilometers away to the Northeast of the capital city; Vientiane. It has the generating capacity of 287 MW (The generating capacity of the EGATi is of 86.7MW) consisting of the main dam; a roller compacted concrete dam with a capacity of 269 MW generating average of 1,490 million units of electricity to the transmission system 230 kV annually reaching to of Nabong High Voltage Electricity Station before being forwarded to Thailand via a 500 kV electricity transportation system into Udon Thani High Voltage Electricity station 3 to sell electricity to Thailand. The power purchase agreement (PPA) has been made with EGAT and Re-Regulation Dam with installed power generating capacity of 18 MW generating an average of 122 million units annually and is connected to the transmission system 115 kW in length to the Pakxan High Voltage Electricity Station of Electricite du Laos (EDL) contracted by PPA with EDL.
In this regard, the secondary dam power plant began commercial electricity supply on 16 March 2019. The main dam power plant began commercial electricity supply on 5 September 2019, the project price is approximately USD 957 million. Investment in the company's equity of $287 million


CES Civil were awarded the Jeffrey Street Project which involved a road rehabilitation and a stormwater upgrade in conjunction. The road rehabilitation project was located on Jeffrey Street from Oxley Avenue (Ch 18) to Humpybong Esplanade (Ch 190), Redcliffe. The project scope included the rehabilitation of the subject section of road over a length of 172 metres. The existing pavement also showed signs of defects, the objective of the project was to also renew the pavement and achieve the required level of service. This project also included laying 225m of 1200 mm diameter stormwater pipe along Jeffrey Street to Humpybong Creek. Works also included raising the footpath outside 20 Jeffrey Street to ensure major storm flows are contained in the future on Jeffrey Street clear of private properties and the installation of water quality treatment device at the intersection of Jeffrey Street and Humpybong Esplanade. The main objective of the project was to reduce flooding on private property by increasing the capacity of the underground drainage network.


Ideal for hire, fully manual and easy to use, 30 m range, perfect for demolition on construction sites. Placed on a stainless steel stand, the CONRAD LC30 is equipped with a very simple control unit, suitable for inexperienced operators.
Dimensions80 x 120 x 220 cm - Weight260 kg
Inspectable filter with a filtration capacity of 100-150 µm
|Type of water that can be used|
industrial, well (pre-filtered), fire ring, water purification, rainwater harvesting.
|Water pump included|
Self-priming vertical multistage centrifugal electric pump for gravity operation. No inlet water pressure required
1 ½ " - Camlock
electrical cable with minimum cross-section 5×2.5 mm and 5-pin 3-phase plug 32A
CONRAD LC30 dust cannons on trolley are used for the construction of the Pedemontana Veneta tunnel - Vicenza - Italy
EASY AND MANUAL:


Holtwood Hydro-Electric Expansion Project
PPL Generation, LLC
Completion Date :
The project is located in Holtwood, Pennsylvania along the Lancaster shore adjacent to the existing 102 MW Holtwood hydro-electric station. The project includes development of a 130 MW hydro-electric power-generation plant expansion and shad restoration project at PPL Holtwood LLC's existing hydro-electric plant.


with the following interesting stats carved into it:
Fish: Muskellunge, White bass, Spotted bass, Largemouth bass, Smallmouth bass
Area: 8,268.8 Acres (12.92 Square Miles)
148 Feet, half-mile Dam
Construction Year Completed: 1965-1973
Surface Elevation: 730 Feet
Length: 48 Miles
Because the primary purpose of Cave Run Lake is flood control, the water level is drawn down in the fall to winter pool level, allowing spring rains to fill the reservoir instead of flooding the surrounding land.
The summer pool water level is 730 feet; winter pool level is reduced to 724 feet.


Location: Crab Orchard National Wildlife Refuge – Devils Kitchen Lake – USFWS – Marion, Illinois
USFWS Devil’s Kitchen Dam Auxiliary Spillway Modifications at the Devil’s Kitchen Lake Dam, located on the Crab Orchard National Wildlife Refuge, Williamson County, Illinois. The project consisted of 4’ wide concrete pavement widening and placement of rip rap of the downstream side or the Auxiliary Spillway and construction of a new four foot tall and 30” wide double radius top concrete parapet which was approx. 500 L.F long, which set on the top of the upper stream part of the spillway. It also followed the curvature of the existing Dam Auxiliary Spillway. Worked also included excavation / removal of the existing three-foot earth berm and placement of upper stream rip rap.


The full bore ball valve is a brass valve with chrome finish, steel handle to control flow of water, with a nominal pressure of 25 Bar. These ball valves are used for water, oil and gas applications.
Finish:: Chrome Plated
Application:: Water, Oil, Gas.
Features & Benefits:: Nominal pressure of 25 Bar.


Polypipe 130mm Ogee Extra Capacity Gutter - Black, 2 metre
Polypipe high capacity rainwater systems suit both domestic and commercial applications. They are designed to cope with high volumes of rainwater. The Ogee range is our most popular rainwater system.
High capacity water flow 130mm x 70mm gutter Ogee guttering can be used with both round and square downpipes


Views: 280 Author: Site Editor Publish Time: 2020-11-30 Origin: Site
Check valve is a kind of valve whose opening and closing member is a circular disc and depends on its own weight and medium pressure to block the backflow of medium. And there are many different kinds of check valves with different functions. In this article, we will introduce the types of check valves.
The check valve relies on the force of the medium flow to open and close the valve to prevent the medium from flowing backward. At present, the classification of check valves is mainly divided according to structures. The check valves are mainly divided into lifting check valves, swing check valves, butterfly check valves, pipeline check valves and pressure check valves.
1. Lifting Check Valve
The structure of the lifting check valve is mostly similar to that of the globe valve. The valve flap moves up and down along the center line of the valve body channel. There are two types of lifting check valves including straight type and vertical type. The former can only be installed on horizontal pipelines, while the latter can be installed on vertical pipelines.
2. Swing Check Valves
The flap of the swing check valve rotates around the rotating shaft. Its fluid resistance is generally smaller than that of the lifting check valve, but its sealing is not as good as that of the lifting type. It is suitable for occasions with large diameter and low flow rate. Rotary check valve can be divided into single-lobe rotary type, double-lobe rotary type and multi-lobe rotary type according to the number of valve flaps. The single-lobe swing-open type is suitable for medium-caliber pipelines, the double-lobe swing-type is suitable for large- and medium-caliber pipes, and the multi-lobe swing-type is suitable for large-caliber pipes. Among them, the double-lobed revolving type also has a fast-growing double-lobed type, which has the characteristics of small structure and light weight.
3. Butterfly Check Valve
The structure of butterfly check valve is similar to that of butterfly valve. The valve disc rotates around the pin in the valve seat. The overall structure is simple, the flow resistance is small, and the liquid impact pressure is also small.
4. Pipeline Check Valve
The disc of pipeline check valve slides along the center line of the valve body. This valve is small in size, light in weight, and good in processability, but the fluid resistance coefficient is slightly larger than that of the swing check valve.
5. Compact Check Valve
The compact check valve is used as a boiler feed water and steam shutoff valve. It has the integrated function of a lift check valve and a stop valve or an angle valve.
According to material, check valves are divided into five categories, including cast iron check valves, brass check valves, stainless steel check valves, carbon steel check valves and forged steel check valves.
According to the function, check valve is divided into five categories, including DRVZ silent check valve, DRVG silent check valve, NRVR silent check valve, SFCV rubber flap check valve and DDCV double flap check valve.
Hopefully, this passage can help you learn more about check valve.


C-Fusor® Pressure Infusor’s crystal-clear material allows for maximum visibility of fluid levels. It is uniquely designed for rapid fluid set-up and replacement.
Accurate and easy to read pressure gauge
Durable and easy to clean
Large squeeze bulb for rapid and reliable pressure control
Allows for even pressure around the fluid container
Three way stopcock prevents air leaks


Electronic level control
The water level in the boiler is electronically controlled and refilled by an electric pump. Check valves prevent water backflow into the supply line and boiler flooding during hours of inactivity.
The level control circuit has been designed so as to prevent phenomena of galvanic corrosion.
The level control circuit has built-in protections against generator malfunction, for example dry running and excess pressure.


Letro (PENTAIR) LA01N
Cleaner Booster Pump 3/4 HP
Reg. Price: $453.83
- HP .75
- Flow Rate: 12 gpm
- Port Size: 3/4 Inch x 3/4 Inch NPT
- Voltage Rating: 115/230 V
Spare Part for:
Letro (PENTAIR) LA01N Cleaner Booster Pump 3/4 HP Description
This pressure side cleaner pump combines ultimate performance with maximum efficiency. The power provided by this booster pump is more than enough to run almost any pressure side pool cleaner.
Booster Pump Features:
- Pump is made from durable, corrosion proof materials.
- Hose and adapters are included.
Booster Pump Specifications:
|3/4||115/230||6.5||50 PSI @ 12 GPM|


Speck ES90-III, 1.5 HP, In Ground Pool Pump
The Speck Model ES90 medium head pump has been engineered for durability and quiet performance. The all-around, self-priming pump with large basket is ideally suited for all small to medium in-ground pools. The Model ES90 is
designed using 100% recyclable “environment friendly” plastics.


The Flood Warning remains in effect
...The Flood Warning continues for the following rivers in
Menominee River near Pembine affecting Menominee and Marinette
.The Menominee River near Pembine continues to fluctuate slightly
above flood stage due to ice build-up downstream of the Pemene
Falls. Minor flooding of lowland areas has already been reported
near the river. Some improvement is expected by the middle or latter
part of this week as temperatures moderate.
The Flood Warning continues for
the Menominee River near Pembine.
* Until further notice.
* At 6:00 PM CST Monday the stage was 15.4 feet.
* Flood stage is 15.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:00 PM CST Monday was 15.5 feet.
* Forecast...No forecast is available for this location.
* Impact...At 15.0 feet, There is a minor ice jam downstream of the
Pemene Falls during the winter season.
|Issued: ||2/22/2021 - 6:53 PM CST
|Expires: ||2/23/2021 - 11:00 AM CST
|Counties: ||Marinette, WI, Menominee, MI


Planet Bike Shockmate 3.0 Suspension Pump
Planet Bike Shockmate suspension pump is a Hi/Low pressure shock pump that can be rated to 400psi.
- Hi/Low Pressure Suspension Pump rated to 400 PSI
- Compact, rugged design is ideal for backcountry adventures
- 8" swivel hose and pump head for easy attachment
- Alloy construction creates smooth pumping action
- Easy-Read industrial class gauge
- Bleeder Valve for fine-tuning pressure
- 10" shaft with T-handle
- Gauge: Analog
- Shaft: 10" (260mm)
- Hose: 9.76"
- Weight: 149g