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    8" Flanged Diaphragm Valve, UPVC/ CPVC

    $1,710.39
    Economical price 2 way PVC diaphragm valve with 8 inch (DN200) 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-DN200
    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-DN200
    Size 8 inch (DN200)
    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
    8 inch (DN200) UPVC 340 300 580 40 8-φ23
    CPVC 340 300 575 40 8-φ23

    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: How does a flanged diaphragm valve work?

    A flanged diaphragm valve is a type of industrial valve designed to control the flow of fluids. It operates using a flexible diaphragm, which is a membrane that separates the valve body into two chambers. The diaphragm is typically made of rubber or similar materials.

    In a closed position, the diaphragm creates a seal, preventing fluid flow. When the valve needs to be opened, a mechanism such as a handwheel or actuator applies force to the diaphragm, causing it to flex and deform. As the diaphragm moves, it uncovers the flow path, allowing the fluid to pass through. This design provides excellent sealing properties and prevents leakage since the diaphragm isolates the fluid from the valve components. Flanged connections make it easy to install the valve in pipelines.

    Flanged diaphragm valves are commonly used in applications requiring precise flow control, such as in the chemical, pharmaceutical, and water treatment industries. Their simplicity and reliable sealing make them suitable for various corrosive and abrasive media.

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