Gate Valves Articles

  • Learn about Meyer’s Screw Pump qualities - valve life extender

    Meyer Screw Pump Provides Extended Valve Life A New Jersey based asphalt company approached Wm. W. Meyer & Sons seeking a solution to an issue they were having with a competitor’s airlock ability to hold a seal. The valve was lined with ceramic tiles and was supposed to have a one-year lifetime in that particular system. Unfortunately, the asphalt company realized the valves were ...


    By Wm. W. Meyer & Sons, Inc.

  • South Texas Landfill − Case Study

    During 2011, four QED Precision Fine Tune Control Valves™ were installed in wells at a south Texas landfill. The following graphs show the composition of the landfill gas and flow data before and after the installation of the Control Valves in Wells 07, 54, 78, and 90. The closest neighboring well on the same trunk line, using a gate valve for flow control, was also chosen for an additional ...


    By QED Environmental Systems

  • Xinhai Statement of the Implement Valve Standards

    Following are the design, manufacture and inspection standards of our company.   Check Valve: API 6D 24th Specification for Pipeline and Piping valves BS 1868-1975(R1990) Specification for Check Valves (Flanged and Butt-welding Ends) for the Petroleum, Petrochemical and Allied Industries EN14341-2006 Industrial valves —Steel Check Valves ...

  • Learining how to Choose Materials for Gas Valves

    The materials and the quality of gas valves are so important that their disqualification will lead to leakage in-or-outside the body of the valve. If the strength, rigidity and overall performance of the components of the valve body cannot meet the requirements or even break, it will result in the spillage of gas and explosion. Therefore, material and quality are the most critical part during the ...

  • 10 Flags in Valve Chambers that Should Make You Question What Else is Wrong

    I have reached the conclusion, as a lot of you may relate too, that I may be considered one of those “cranky old men”. It shows itself in the little things. Sentences starting with the phrase “when I was your age” or ...


    By Singer Valve Inc.

  • Insufficiently Filled solution - Plastic Injection Molding Defects Solution

    Plastic Molding Defects Solution For Insufficiently Filled: * Use plastics with low viscosity and sound fluidity or adjust prescription of plastics and reduce viscosity of melt. *Improve barrel temperature, increase injection pressure,raise melt temperature to reduce viscosity, and improve plastication quality. *Improve mold temperature and ...


    By Focare Mould Co.,Ltd.

  • Why Does Serious Injury and Fatality Prevention Require a Different Approach?

    For some years, safety leaders have seen a troubling disparity between significant decreases in overall injury rates and relatively flat fatality rates. A study conducted in 2011 helps show why: traditional safety efforts often fail to reduce serious injuries and fatalities (SIFs) because they just weren't designed to. SIF events usually have different causes and correlates than less serious ...

  • Aquaflow to the rescue case study

    Aquaflow a division of T-T PUMPS Ltd are always prepared to leave their comfort-zone to deliver solutions that exceed expectations! Belle Greve Pumping Station is undergoing an upgrade to prolong its lifespan, work started in 2008 and it is crucial to the island's future sewage management programme. Aquaflow were approached by the principal contractor working on behalf of Guernsey Water, ...


    By T-T Pumps Ltd.

  • Share some universal knowledge about HDPE flap valve

    HDPE flap valvespecifications of round and square HDPE flap valve two kinds, according to the size and shape of the outlet design and production; were hollow floats can knock on the door and a plate-plate HDPE flap valve. For pipes, sewage treatment, rivers ...

  • The selection steps in rising stem gate valve

    Selection of rising stem gate valve generally follow the following steps  According to the valve in the device or process piping applications , determine the valve is working. For example , the working medium , working pressure and working ...

  • how to open and clear the resilient seated gate valve

    ( 1 ) , ready to work Selected according to the required specifications ① valve wrench, a screwdriver , crowbar , processed bars, the top wire and other tools. ② prepare appropriate yarn , detergents, according to the valve specifications ready valve seal pads , fillers, lubricants. ( 2 ) ...

  • River weir upgrade illustrates Rotork’s extended scope capabilities - Case Study

    Overview Rotork is well known for supplying flow control equipment for new and upgraded industrial plants and processes on a global scale. In these contracts, often involving tens or hundreds of valve actuators and associated control equipment, Rotork works with valvemakers, engineering companies and end users as one of several members of a project team, each with different areas of ...


    By Rotork

  • East hull pumping station case study

    Client: Yorkshire Water CSG provided two 1200mm Hydraulic Cylinder Gate Valves as part of the East Hull Pump Station overhaul. CSG worked in partnership with Pacific Valves Ltd on the £16m flood prevention project commissioned by Yorkshire Water. Due to the low ground levels in and around Hull flooding can often be an issue. The new pumping stations will help control drainage in the ...

  • Belfast city sewer case study

    Client: NIWater CSG provided a number of valves to go in to the newly refurbished Belfast City Sewer. Originally installed during Victorian times the sewer system has been updated in order to reduce flood risks and improve the general infrastructure. The project comes at a cost of £120M and encompasses over 10km of pipeline. It has won a number of awards for innovation and is the ...

  • Industrial Valves: World Markets Report

    Provides continually updated analyses and forecasts of ball, butterfly, plug, globe/gate, automatic regulatory/control and miscellaneous valve types in 80 ...


    By The McIlvaine Company

  • Divers install eccentric plug valve in reservoir tunnel

    A team of specialist divers – working in a cramped, water-filled tunnel 20 metres beneath the surface of a reservoir – has just completed installation of an eccentric plug valve to control water flow.The valve and associated equipment has been supplied to United Utilities by Viking Johnson (http://www.vikingjohnson.com), a world leader in the supply of pipe joints ...


    By Viking Johnson

  • A novel technique proposed for automatic control of small hydro power plants

    A new scheme is proposed for the speed control of hydro turbines. Power can be controlled by controlling the rotary motion of the spear valve or linear motion of the sluice gate. In this paper, necessity for speed control, various function of governors, types, speed regulation of micro-hydroelectric power plants, functional block diagram of power generation and control system general models for ...


    By Inderscience Publishers

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