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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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    CNC lathe
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    Vertical lathe
    Boring machine
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    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
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    Other products

    Imported products



    Expanding double disc (K type)slab gate valve

    Through-conduit type disc, double disc, rising stem & yoke, bolted bonnet or pressure sealed bonnet, welded seat or metal seated etc.



    Design standard:

    API 6D, ASME B16.34

    Flange connection dimension:

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

    Butt welding connection dimension:

    ASME B16.25

    Face-to-face dimension:

    ASME B16.10 or Manufacturer standard

    Pressure-Temperature rating:

    ASME B16.34

    Pressure test standard:

    API 598, ASME B16.34

    Product range:




    ANSI 300lbs ~ 900lbs

    Body Materials:

    Carbon Steel, Low temp. carbon steel, Stainless Steel, Alloy Steel, Duplex Steel etc.


    API 600 or customized per client’s requirements


    Handwheel, Gear, Motor, Pneumatic etc.


    Through-conduit type disc, double disc, outside screw & yoke, bolted bonnet or pressure sealed bonnet, welded seat or metal seated 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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