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water control valve Applications

  • Constant Pressure pump control valves

    For use with water well pumps and booster pumps, the Cycle Stop Valve (CSV) turns any pump into a variable flow, constant pressure system. Working in conjunction with a small pressure tank, the CSV is usually adjusted to the middle of the pressure switch range. IE; 40/60 PSI switch, 50 PSI CSV. The size of the pressure tank determines how much water can be used by the house, before the pressure drops to 40 PSI, and the pressure switch starts the pump. As long as flow rates in and around the house vary from 1 GPM to as much as the pump can produce, the CSV maintains a constant 50 PSI on the system. When there is no more flow required for the house, the CSV allows the little pressure tank to fill to 60 PSI, and the pump is shut off by the pressure switch.

    By Cycle Stop Valves, Inc. based in Lubbock, TEXAS (USA).

  • Trapped Key Interlocks for Flow Control

    KIRK Eagle Series valve interlock systems can be implemented within many industries in which managing the flow of materials and products is critical.  Valve interlocks can aid in minimizing loss of product, preventing materials from mixing that may cause hazardous results,  and promoting flow control process safety that protects your personnel and equipment. The specific flow control applications below can be designed to meet the unique needs of every customer and can be added to an existing KIRK trapped key interlock system.

    By Kirk Key Interlock Company based in North Canton, OHIO (USA).

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    Ultrasonic Level Monitoring for Water Bottling Plant Level Control

    Culligan Water installs Greyline SLT32 Level Monitors to control tank levels in their bottling plant in Calgary, Alberta. With non-contacting ultrasonic sensors the SLT32`s control fill and discharge valves in five tanks containing spring water, reverse osmosis water and distilled water.

    By Greyline Instruments Inc. based in Long Sault, ONTARIO (CANADA).

  • Force Main Systems Sulfide Odor Control with Hydrogen Peroxide

    Force main systems are typically high sulfide odor generators due to septicity conditions related to full pipe flow and a greater anaerobic slime layer (biofilm) thickness. Primary factors that influence sulfide loading generation in a force main include sewage temperature, BOD, retention time, pipe size and flow. Gaseous hydrogen sulfide (H2S) release at the force main discharge is usually the main concern related to odor and corrosion control needs; however, corrosion problems within the pipe can be of a concern (e.g. "crown cutting") at locations where air pockets can lead to concentrated H2S gas build up. Some basic considerations for assessing an appropriate sulfide odor treatment method for force main systems include: Retention time / duration of control Pump station type / cycling (e.g. vfd; start/stop, etc). Force main injection tap points, if any (e.g. air relief valves) Existence of intermediate re-lift stations or in series pump stations Manifold force main systems

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

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    Level indicating transmitter for swimming pool level control

    A Surge Tank is used at the Okatokes Rec Centre Swimming Pool to regulate pool level. By monitoring level in a surge tank the non-contacting Greyline LIT25 Level Indicating Transmitter controls makeup water flow through a solenoid valve.

    By Greyline Instruments Inc. based in Long Sault, ONTARIO (CANADA).

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