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Home Product Pneumatic Diaphragm Valve Rubber lined pneumatic actuated diaphragm valve
Pfa lined pneumatic diaphragm valve
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Bottom pneumatic diaphragm valve

Rubber lined pneumatic actuated diaphragm valve

Size: 1/2″ – 10″ (15mm – 250mm)
Body: WCB, SS316,SS316L
Diaphragm Material : EPDM,EPDM+PTFE
Pressure supply: 5.5bar
Pneumatic Actuator: Double acting,Single acting
Ends: Flange

 






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    Description

    Rubber lined pneumatic actuated diaphragm valve

    Pneumatic diaphragm valves are a type of valve that uses a flexible diaphragm to control the flow of fluids or gases. The diaphragm is mounted to a valve body, creating a barrier between the actuating components and the process medium. Pneumatic actuators, which use pressurized air or gas to create linear or rotational motion, control the diaphragm’s movement.

    Structure and Mechanism

    A typical pneumatic actuated diaphragm valve comprises the following components:

    • Valve body: Made from materials such as WCB, SS316, or SS316L, the valve body acts as the housing for the diaphragm and other components.
    • Diaphragm: A flexible membrane, commonly made from EPDM or EPDM+PTFE materials, separates the actuator from the process medium, eliminating the need for additional sealing elements.
    • Pneumatic actuator: Using a double-acting, single-acting normally closed, or single-acting normally open control system, the actuator applies force to the diaphragm, controlling the valve’s opening and closing.
    • Ends: The inlet and outlet flange connections that mechanically and pressure seal with pipelines. These are available in standard designations such as ASME B16.34 class 150/300, DIN PN16/20, or JIS 10K/20K.
    • Pneumatic accessories: Solenoid valves, limit switch boxes, filters, E/P positioners, and handwheels are used for additional control and functionality.

    Applications Across Industries

    Pneumatic diaphragm valve are widely used across various sectors, including:

    • Chemical processing: These valves are well-suited for handling corrosive and aggressive media due to their rubber-lined body and diaphragm materials, which provide chemical resistance.
    • Pharmaceutical and biotech: Their ability to maintain sterility and provide leak-tight seals make them ideal for use in hygienic applications and clean-room environments.
    • Water and wastewater: These valves are commonly used for controlling flow in water treatment plants and other related applications.
    • Food and beverage: They are suitable for hygienic requirements and are often used for controlling flow in processes such as pasteurization and ingredient dosing.

    Size: 1/2″ – 10″ (15mm – 250mm)
    Body: WCB, SS316,SS316L
    Body+Rubber: Lined PFA or PTFE
    Diaphragm Material : EPDM,EPDM+PTFE
    Pressure supply: 5.5bar
    Pneumatic Actuator: Double acting,Single acting
    Ends: Flange
    End connections:
    ASME B16.34 class 150、ASME B16.34 class 300
    DIN PN16、PN20
    JIS 10K、20K

    Pneumatic Actuator
    Control: Double acting,
    Single acting normally closed
    Single acting normally open
    Pneumatic accessories: Solenoid valve, limit switch box , filter, E/P positioner, hand wheel

    Shipping & Delivery

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    Mob: +86 186 1689 5255
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    Factory: No.6 Baimashan Road, Yijiang Dist. Wuhu City, Anhui Province, China

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