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    Products  RRHX rising stem resilient seated gate valve
    Product introduction

    Rising stem resilient seated gate valve special for fire protection has resilient seated gate valve’s advantage and it shows the valve’s opening directly so that see the valve’s opening in a long distance and take effective actions.It opens or closes liable and quickly so it is often used in fire protection system.


    Material

    Serial no.
    Part
    Material
    1
    Handwheel
    Ductile iron
    2
    Stem nut
    Copper alloy
    3
    Support
    Grey cast iron,ductile cast iron,cast steel
    4
    Gland
    ductile cast iron,cast steel
    5
    Gasket
    Buna-N rubber or EPDM
    6
    Stem
    Stainless steel
    7
    Gasket
    Buna-N rubber or EDPM
    8
    Disc
    Ductile cast iron packed with rubber or EDPM outside
    9
    Body
    Greycast iron,ductile cast iron,cast steel
     
     

    Main technic-al parameters

    Nominal pressure: 1.0-2.5MPaWorking temp.:0-120Flanged end:GB/T17241.6 GB9113,ASME 16.5 etc..
    Nominal diameter: 50-400mmService:water,oils,gas etc..Inspection and test:GB 13927 API 598

    Main dimensionsunit:mm

    DN
    50
    65
    80
    100
    125
    150
    200
    250
    300
    350
    400
    L
    178
    190
    203
    229
    254
    267
    292
    330
    356
    381
    406
    Hmin(full close)
    322
    332
    350
    420
    581
    581
    736
    882
    1009
    1300
    1380
    Hmax(full open)
    374
    398
    429
    524
    721
    736
    942
    1013
    1117
    1655
    1805
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