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  • 中文版

    Export products

    Industrial valves
    Gate valve
    Globe valve
    Check valve
    Ball valve
    Butterfly valve
    Plug valve
    Other type valves
    Metal Accessory
    Valve parts
    Pipe fitting
    Other metal parts
    Mechanical machining equipment
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    Power equipment
    High Voltage static dynamic reactive Power compensation and filter device
    TBB High voltage automatic reactive power compensation unit
    High and low voltage electrical equipment
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    Outdoor high voltage AC vacuum circuit breaker
    Voltage and current transformer
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    Lightning protector
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    Other products

    Imported products



    Piston check valve

    Piston type disc, bolted bonnet or pressure sealed bonnet, threaded or welded seat or integral seat etc.


    Design standard:

    BS 1868, API 6D, BS5352, ISO 15761

    Flange connection dimension:

    ASME B16.5, ASME B16.47, MSS SP-44

    Butt welding connection dimension:

    ASME B16.25

    Socket welding end dimension

    ASME B16.11

    Thread end dimension

    ASME B1.20.1

    Face-to-face dimension:

    ASME B16.10, Manuf. Std.

    Pressure-Temperature rating:

    ASME B16.34

    Pressure test standard:

    API 598, ASME B16.34

    Product range:




    ANSI150lbs~ 2500lbs

    Body Materials:

    Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel, Bronze, Ni-Cu Alloy etc.


    API 600 or customized per client’s requirements


    Automatic without actuator;


    Piston type disc, bolted bonnet or pressure sealed bonnet, threaded or welded seat or integral seat etc.

    Send Inquiry

    Please feel free to contact with us at sales@cnshengyuan.cn, info@cnshengyuan.cn or filling up an enquiry form instructed at the bottom, You will get an effective response within 24 hours from Shengyuan sales representative.
    Thanks for your valued time with interest!

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