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    2" Flanged Diaphragm Valve, UPVC/ CPVC

    $209.39
    Cost effective PVC diaphragm valve with UPVC or CPVC body material, PTFE diaphragm, is used in water treatment, chemical processing, pharmaceuticals and other industries. ATO diaphragm valve has 2 inch (DN50) flanged port for liquid and flow control.
    *
    SKU: ATO-FDV-DN50
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    PVC diaphragm valve consists of a UPVC or CPVC body with an inlet and outlet and a diaphragm that separates these two ports. When the valve is in the closed position, the diaphragm seals against the body, preventing the flow of fluid.

    Specification

    Model ATO-FDV-DN50
    Size 2 inch (DN50)
    Structure Type Flanged Type
    Diaphragm Valve Assembly Parts Material
    Diaphragm PTFE
    Film EPDM
    Valve Body UPVC, CPVC
    Valve Plate UPVC, CPVC, Steel, Stainless Steel
    Cover Limit AS
    Stud Steel, Stainless Steel
    Retaining Nut FRPP
    Washer FRPP
    Wheel Alloy Material
    Platen Steel, Stainless Steel
    Double-Headed Stud and Nut Steel, Stainless Steel
    Bonnet UPVC, CPVC
    Yoke Nut Ht300 Steel
    Stem Steel, Stainless Steel


    Dimension (Unit: mm)

    Flanged PVC diaphragm valve dimension DN15 ~ DN100

    Size Valve Body Material d D L h n-φ
    2 inch (DN50) UPVC 127 162 214 23 4-φ18
    CPVC 126 162 215 23 4-φ18

    Note: The above dimensions are for reference only, please refer to the actual product.

    Detail

    Flanged diaphragm valve detail

    Working Pressure

    Size Working Pressure (MPa)
    UPVC CPVC
    20~40℃ 41~60℃ 61~80℃ 0~40℃ 41~60℃ 61~90℃
    1/2" (DN15) 0.8 0.8 0.7 0.7 0.7 0.6
    3/4" (DN20) 0.8 0.8 0.7 0.7 0.7 0.6
    1" (DN25) 0.8 0.8 0.7 0.7 0.7 0.6
    1-1/4" (DN32) 0.7 0.7 0.6 0.7 0.7 0.6
    1-1/2" (DN40) 0.7 0.7 0.6 0.7 0.7 0.5
    2" (DN50) 0.7 0.7 0.6 0.7 0.7 0.5
    2-1/2" (DN65) 0.7 0.7 0.6 0.7 0.7 0.5
    3" (DN80) 0.7 0.7 0.6 0.7 0.7 0.5
    4" (DN100) 0.7 0.7 0.6 0.7 0.6 0.5
    5" (DN125) 0.5 0.5 0.4 0.5 0.5 0.4
    6" (DN150) 0.5 0.5 0.4 0.5 0.4 0.3
    8" (DN200) 0.3 0.3 0.2 0.5 0.3 0.25
    10" (DN250) 0.3 0.3 0.2 0.3 0.3 0.2

    Tips: Are diaphragm valves directional?

    Diaphragm valves are indeed directional in nature. They consist of a flexible diaphragm, typically made of rubber or another elastomeric material, which moves up and down to control the flow of fluids through a pipe. This diaphragm acts as a barrier between the fluid and the valve body, and its movement is regulated by a stem or a compressor.

    The directionality of a diaphragm valve is determined by the design and installation. Fluid flow typically enters from one side of the valve and exits from the other. It's crucial to install diaphragm valves with the flow arrow indicating the correct direction, ensuring that the diaphragm functions effectively. If installed in reverse, the diaphragm may not seal properly, leading to leaks and reduced control over fluid flow. Proper installation with attention to the flow direction is essential to their efficient operation.

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