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Diaphragm Valves

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About Diaphragm Valves

Diaphragm valves are related to pinch valves, but use an elastomeric diaphragm, instead of an elastomeric liner in the valve body, to separate the flow stream from the closure element.  Instead of pinching the liner closed to provide shut-off, the diaphragm is pushed into contact with the bottom of the valve body to provide shut-off.  Diaphragm valves are excellent for controlling the flow of fluids containing suspended solids and offer the flexibility of being installed in any position.  These types of valves have found widespread use in the pharmaceutical, food processing, and water treatment industries.

Manual diaphragm valves are ideal for flow control by offering a variable and precise opening for controlling pressure drop through the valve.  Actuated varieties can offer features as adjustable opening, positioners for precise flow control, and electric relay of valve position.

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Products & Services Related to Diaphragm Valves

Air Pressure Regulators
Air pressure regulators control pressure in air lines (usually adjustable) to remove fluctuations and maintain consistent pressure for pneumatic devices.
Air Valves
Air valves allow metered fluid flow in one or both directions. They are used in pneumatic circuits to regulate the rate of activation or exhaust of cylinders and other pneumatic devices.
Control Valves
Control valves or proportional valves are power-operated devices used to modify fluid flow or pressure rate in a process system.
Plastic Valves
Plastic valves are made from plastic materials and are used in applications that require corrosion resistance and/or chemical handling.
Plug Valves
Quarter-turn plug valves use a cylindrical or tapered plug with a hole in the center to control straight through flow when in the open position.
Pressure Regulators
Pressure regulators are used to maintain a constant outlet pressure or flow.
Sanitary Valves
Sanitary valves are designed for applications requiring clean or sterile processing. 

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Engineering Web: Diaphragm Valves

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Diaphragm Valves
Valves Ball Valves Butterfly Valves Diaphragm Valves Diaphragm Options Check Valves Globe Valves
See Asahi/America, Inc. Profile & Catalog
- ITT Engineered Valves is a manufacturer of diaphragm...
Product offering includes diaphragm, ball, plastic lined, safety shut-off, knife gate, slurry, slide gate, wedge gate, butterfly, recycle/reject and
See Engineered Valves Information
Plast-O-Matic Plastic Valves, Pressure Regulators & Controls
& Degassing Valves Ball Valves Manual & Actuated Check Valves & Vacuum Breakers Cooling Water Sticks Custom Valves Diaphragm Valves Diverter Valves
See Plast-O-Matic Valves, Inc. Information
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