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    1/2" Flanged Diaphragm Valve, UPVC/ CPVC

    $117.99
    2 way PVC diaphragm valve with 1/2 inch (DN15) flanged port for flow and liquid control, available in UPVC and CPVC body material, PTFE diaphragm. This manual diaphragm valve is often found in water treatment, chemical processing and pharmaceuticals.
    *
    SKU: ATO-FDV-DN15
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    2 way flanged PVC diaphragm valve is a type of industrial valve used to control the flow of fluids in pipelines, especially when it is essential to prevent the fluid from coming into contact with the valve components.

    Specification

    Model ATO-FDV-DN15
    Size 1/2 inch (DN15)
    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
    1/2 inch (DN15) UPVC 66 97 128 15 4-φ14
    CPVC 66 97 128 15 4-φ14


    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: Do PVC diaphragm valves have packing?

    PVC diaphragm valves typically do not have traditional packing materials like those found in globe valves or gate valves. Instead, they use a diaphragm as the primary sealing element. The diaphragm is a flexible membrane that moves up and down to control the flow of fluid through the valve. When the diaphragm is in the closed position, it seals against the valve body, preventing the flow of fluid.

    The advantage of using a diaphragm in these valves is that it eliminates the need for traditional packing materials, which can wear out and require maintenance over time. Diaphragm valves are often used in applications where it's important to maintain a tight seal and prevent leakage. They are particularly suitable for handling corrosive or abrasive fluids because the diaphragm provides a barrier between the fluid and the valve components.

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