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PVC Diaphragm Valves

Diaphragm Valves are used for shut-off and throttling applications that use liquids or gas. A Diaphragm value is made with a body, or valve, with two or more ports, a diaphragm, and a saddle or seat that allows the diaphragm to close the valve. They can be manual or automated, and come in two main categories of diaphragm valves. The first type is weir, or saddle, and the second is called a straightway valve that seals over a seat. The weir, or saddle version, consists of two ports in line with each other located on opposite sides of the valve and is most commonly used in throttling or on/off applications.

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  1. 1/2 inch GF Diaphragm Valve EPDM 161514612

    1/2" GF Diaphragm Valve EPDM 161514612

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  2. 1/2 inch GF Diaphragm Valve PTFE 161514632

    1/2" GF Diaphragm Valve PTFE 161514632

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  3. 3/4" GF Diaphragm Valve PTFE 161514633

    3/4" GF Diaphragm Valve PTFE 161514633

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  4. 3/4 inch GF Diaphragm Valve EPDM 161514613

    3/4" GF Diaphragm Valve EPDM 161514613

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  5. 1 inch GF Diaphragm Valve PTFE 161514634

    1" GF Diaphragm Valve PTFE 161514634

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  6. 1 inch GF Diaphragm Valve EPDM 161514614

    1" GF Diaphragm Valve EPDM 161514614

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  7. 1-1/4 inch GF Diaphragm Valve EPDM 161514615

    1-1/4" GF Diaphragm Valve EPDM 161514615

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  8. 1-1/4 inch GF Diaphragm Valve PTFE 161514635

    1-1/4" GF Diaphragm Valve PTFE 161514635

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  9. 1-1/2 inch GF Diaphragm Valve EPDM 161514616

    1-1/2" GF Diaphragm Valve EPDM 161514616

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  10. 1-1/2" GF Diaphragm Valve PTFE 161514636

    1-1/2" GF Diaphragm Valve PTFE 161514636

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The straightway consists of in and out ports that are located at a 90 degree angle of each other and are used for on/off applications. The body of the valve is available in either plastic or metal, and is lined with rubber or plastic or unlined depending on the temperature, pressure, or chemical resistance needed for the specific application. Common applications where this type of valve is used include food and beverage, pharmaceutical, chemical dosing, control of pure and ultra pure media, and water treatment.

We offer a wide selection of diaphragm valves including New Generation Manual Valves, and Type 314 Valves. We also have Actuated valves like DIASTAR which is a new pneumatic valve from Georg Fischer. A true revolution in terms of safety and efficiency. Call today to learn more about the valves we offer or to get a quote. Commercial Industrial Supply proudly offers rock bottom warehouse pricing that you won't find anywhere else. Speak to one of our product experts today and you will see the value CIS can bring to your business.

Are you ready to buy or need assistance selecting the correct products? If so, speak with one of our experienced product specialists by calling (866) 777-8001 or complete our easy to use Price Quote Form!