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  • check valve
    2016-04-28 12:30:00


    PRODUCT SWING CHECK VALVE/DUAL PLATE CHECK VALVE/NON SLAM CHECK VALVE
    DN 2”(50)~ 20”(500)
    CLASS(PN) 150LB(16)~2500LB(420)
    APPLICALBE SPECIFICATIONS, STANDARDS, CODES
    PRESSURE/TEMPERATURE RATING ASME B16.34
    DESIGN API 6D, GB/T 12236, ASME B16.34, GB, GOST, DIN, BS
    INSPECTION&TEST API 6D/API 598/GB/T 13927ETC.
    FACE TO FACE/END TO END API 6D, GB 12221, ANSI B16.10/MFR’S/USER’S
    VALVE END BW(ASME B16.25, ASME B31.8AND OHTERS), RF(ASME B16.5,ASME B16.47,JB/HG/GOST, DIN), RTJ(ASME B16.5,ASME B16.47,JB/HG/GOST, DINETC.), BW+PUP(PUP LENGTH AS USER’S SPECIFIED),
    FIRE SAFE API 6FD
    ANTISTATIC DESIGN API 608/BS 5351
    SOUR SERVICE NACE MR. 0175ETC.
    CONSTRUCTION FEATURES
    BONNET BOLTED BONNET
    SEAT TYPE SINGLE SEAT, METAL SEATED
    DISC SWING TYPE
    BORE FULL OPENING/REGULAR
    COVER BOLTED COVER
    OPERATING N/A(SELF ACTUATED)
    SEAT METAL SEATED
    DRAIN OPTIONAL
    LEAKAGE RATING METAL SEATED: ISO 5208 C AND BETTER, ANSI CLASS VI.
    MAIN MATERIAL
    BODY C.S/S.S/ALLOY STEEL
    DISC CS/SS/ALLOY STEEL+HARD FACING
    SEAT HARD FACING
    BOLTING A193/A194, A320ETC.
    SUPERORITY
    TO PREVENT THE FLUID TO FLOW BACK