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Flanged Gate Valve

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    Design Features

    ◆Design standard: GB/T 12234

    ◆Flanged ends:GB/T 9113,JB/T 79,HG 20596

    ◆Test & inspection:JB/T9092,GB/T 13927

    ◆Applicable medium: Water,oil,gas Ect


    Main parts and materials

    ITEMPARTMAIN MATERIAL
    1BodyWCB CF8 CF8M  CF3  CF3M
    2DiscWCB+D507 CF8  CF8M  CF3  CF3M
    3Valve seatWCB+D507Mo 304 1Cr5Mo 12Cr1MoV
    4Stem20Cr13  1Cr18Ni9  0Cr18Ni2Mo2Ti  20Cr1Mo1V  25Cr2MoV
    5Eye Bolt35CrMo 0Cr18Ni9  0Cr17Ni12Mo2  25Cr2MoV
    6Hexagon Nut45  35CrMo  25Cr2MoV  0Cr18Ni9  0Cr17Ni12Mo2
    7GaskeFlexible graphite+stainless steel
    8Upper seal seat1Cr13  2Cr13  1Cr18Ni9  0Cr18Ni2Mo2Ti  20Cr1Mo1V  25Cr2MoV
    9BonnetWCB  CF8  CF8M  CF3  CF3M
    10Stem PackingFlexible graphite
    11Stem Packing GlandWCB  CF8  CF8M  CF3  CF3M
    12Stem NutCopper alloy
    13HandwheelKTH330-08  QT400-17

     

    Main dimensions(1.6MPa) (mm)

    SIZEФdLDD1D2z-Фd
    1/2"DN15151309565454-14
    3/4"DN202015010575554-14
    1"DN252516011585654-14
    1-1/4"DN3232180135100784-18
    1-1/2"DN4040200145110854-18
    2"DN50502501601251004-18
    2-1/2"DN65652651801451204-18
    3"DN80802801951601358-18
    4"DN1001003002151801558-18
    5"DN1251253252452101858-18
    6"DN1501503502802402108-23
    8"DN20020040033529526512-23

    Notes:The sizes of serial valve connecting flange can be designed according to customers' requirement.

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