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Shuangda Valve CO.,LTD (hereafter called SDV) 

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    Ball-Check Valve

    Ball-Check Valve

    SDV Ball-Check Valve is a special form of lift check valve. Each position of the ball surface can be used as the sealing surface of the valve disc, so as to adapt to the continuous sealing after a single sealing surface is worn. FBV Ball-Check Valve are manufactured according to API 6D or API 623, BS 1868 Standard.

     

    PRODUCT RANGE

    Sizes NPS 1/2 to NPS 3

    Class 150 to Class 2500

    DESIGN FEATURES

    Full or Reduced Bore

    SW, NPT, RF, RTJ,

    Bolted cover, welded cover, pressure seal cover

    Integral seat rings

    Metal seat

    DESIGN STANDARD

    Design & manufacture according to API 602, ASME B16.34

    Face-to-face according to FBV STD

    End Connection according to ASME B16.11 (SW), ASME B1.20.1 (NPT), ASME B16.5 (RF & RTJ)

    Test &inspection according to API 598

    Also available per NACE MR-0175, NACE MR-0103, ISO 15848

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