Valves Articles

  • 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.

  • Shannon Creek Dam Switches to Custom Anti-Cav Control Valve Solution

    Shannon Creek Dam and pump station is the core feature of the Regional Water Supply scheme, a joint venture of the Coffs Harbour City Council and the Clarence Valley Council. With an inundation area is 37 square Km, the reservoir provides 30,000 mega litres of supplementary water supply to The Clarence Valley and Coffs Harbour, located on the Mid North Coast of NSW, Australia. This award-winning ...


    By Singer Valve Inc.

  • South Australia’s $403 million NSISP Uses a “Super” Valve to Perform in a Variety of Extreme Conditions

    NSISP is one of South Australian Water Corporation’s (SA Water) biggest infrastructure projects undertaken in Adelaide metropolitan to connect the north and south drinking water distribution systems and to increase access to their desalination plant. The project included the construction of 32 km of pipeline through metropolitan main roads and suburban inner streets. This is no small feat ...


    By Singer Valve Inc.

  • Reduction in water losses in water distribution systems using pressure reduction valves

    Water loss is a phenomenon frequently observed within water distribution systems (WDSs), that is considerably worsened by an excessive pressure throughout the network. As an alternative option to pipe replacement, the use of pumps working as turbines, throttle control valves (TCVs), or pressure reduction valves (PRVs) can be used to reduce leakage. For a preassigned number of these devices, ...


    By IWA Publishing

  • Bringing Life To The Dead – How Halifax Water Unlocked The Value Of Valve Inoperability

    Wachs Water Services recently gave the Canadian municipal water sector an impressive demonstration of how their unique approach, field experience and mechanical advantage could coax non-functioning valves back to operational life. Halifax Water recently found itself in a jubilant mood after freeing up a significant amount of dollars originally earmarked for valve replacement within its ...


    By Pure Technologies

  • ROMAG storm water screen system for the CSO works La Maladière in Neuenburg

    With the RSW-K high-capacity storm water screen and a emergency shut-off valve, the volume of the upstream sewerage system is optimally utilized and the receiving body ideally protected against contamination. The storm water screen removes visible solids from the sewage water before the water is discharged into the receiving body. At the La Maladière surplusing works, the ROMAG RSW-K ...


    By ROMAG aquacare ag

  • Electro-hydraulic actuators deliver improved safety at India’s tank farms

    Following an accidental fire at the IOCL Jaipur Terminal, an extensive review of safety measures recommended by the MB Lal Committee has resulted in the introduction of failsafe actuators for critical tank farm applications. These valves, known as ROSOV (Remote Operated Shut-off Valves), now provide tank overfill protection at the majority of storage facilities owned by the Indian oil industry. ...


    By Rotork

  • 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.

  • Alcázar de San Juan Waste Management plant, Spain - Case Study

    The Alcázar De San Juan Waste Management Plant Now Has Four Titech Autosort Units The latest remodeling of the Municipal Solid Waste (MSW) Management Plant in Alcázar de San Juan (Ciudad Real, Spain) includes two new TITECH autosort 4 optical sorting units. Overview The Municipal ...


    By TOMRA Sorting (TITECH)

  • Dealing with Cavitation in Control Valves

    Cavitation consists of rapid vaporization and condensation within a liquid. When local pressure falls to vapor pressure (approximately 0.25 psi / 0.018 bar absolute for cold water), vapor bubbles are formed and when these bubbles travel to an area of higher pressure, the bubbles collapse with phenomenal force and great localized stress. It is the violent collapse of these vapor bubbles near valve ...


    By IWA Publishing

  • Rotork electric valve control contributes to Coca-Cola Enterprises’ environmental improvements

    Sector: Food & Beverage Category: Process Control Actuators Products: CVL, CVQ Overview Rotork electric valve control contributes to Coca-Cola Enterprises’ environmental improvements    Rotork CVA electric control valve actuation technology is helping Coca-Cola Enterprises (CCE) ...


    By Rotork

  • How to build waste plastic pyrolysis plant

    Preparation of raw material: The raw material can be waste tire, tyre, plastic or scrap rubber. All if the above wastes can be processed by our machine. The following are details: Separate the ingredient which can not be refined from waste plastic, such as: soil, wood, stone, brick etc. If the raw materials are paper mill’s waste, separate the pulp. If there is water in raw material, should ...


  • Waste plastic pyrolysis plant with high profits

    Pyrolysis Plant: Waste plastic pyrolysis plant, with the superiority of low capital investment and high fuel financial price, it has become the first preferred waste disposal method in many countries.This profitable project was established every week with low labor costs and high profits. Huayin renewable energy equipment company, established in 1993,have been a leader of oil pyrolysis ...


  • Taking the Mystery out of Cavitation White Paper. Pilot-Operated Automatic Control Valves

    Cavitation can be an extremely damaging force as related to the application of pilot-operated automatic control valves. The consequences of cavitation are numerous and can include: loud noise, extreme vibrations, choked flow, destruction or erosion of control valves and their components resulting in disruption of water distribution or plant shutdown. This article deal with cavitation solutions as ...


    By Singer Valve Inc.

  • What You Need to Know about Electronic Automation of Hydraulically-operated, Diaphragm-actuated Control Valves

    Hydraulically controlled, diaphragm-actuated control valves are the mainstay of the waterworks industry to control pressure, flow, level, pump control, and at times to meter. These automatic control valves are controlled by pilots to do specific tasks and are mainly single-set-point systems. With the need to remotely actuate and control the valves and the applications becoming more complex, ...


    By IWA Publishing

  • Strengthen the maintenance of slurry pump

    Adjust the gap between slurry pump impeller and liner and plate. The gap had been adjusted before out factory, but after working for a time, due to the high-pressure of volute liner and low-pressure of suction, caused the slurry leakage through the impeller gap, inevitably lead to the impeller and plate or volute liner seal segment ...


  • A new algorithm for real-time pressure control in water distribution networks

    This paper presents a new logic algorithm for real-time control of regulation valves in water distribution networks. This method entails identifying in real time the appropriate closure setting of regulation valves in order to reach and keep the desired piezometric height at the control node(s), by making use of measurements concerning both the piezometric height at the control node(s) and the ...


    By IWA Publishing

  • Reducing coal plants effluent discharge and waste pit volumes

    The OSEI Corporation manufactures Oil Spill Eater II a first response bioremediation product that utilizes natures own process to convert hydrocarbon contaminants to CO2 by speeding up natures process to remediate hydrocarbons in a matter of days or weeks compared to waiting decades, reducing the time toxic hydrocarbons can adversely effect the environment. OSE II can quickly ...

  • Tank terminal demonstrates the electrically operated solution for ESD Valves - case study

    Overview Since the disastrous fire at the Buncefield fuel depot in 2005, much has been done to ensure that such a catastrophic accident should not happen again. Led by COMAH (Competent Authority/Industry Standards Task Group), safeguards have been put in place by the petroleum industry to provide additional safety and environmental protection to tank storage installations. Endorsing the ...


    By Rotork

  • Water Tower bypass when under repair

    Bypassing a Water Tower When the time comes for repair on your elevated tank or hydro tank, Cycle Stop Valves can keep a “constant pressure” on the city while the tank or tower is out of service.  Attaching a Cycle Stop Valve to the discharge of a pump or enough pumps to keep up with the peak demands will insure that the system will also work at 3 ...


    By Cycle Stop Valves, Inc.

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