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    Bolted Bonnet Knife Gate Valve Home >> Products >> Gate valve

    Detailed introduction

    Design and manufacture: JB/T8691-1998

    Structural length: GB/T15188.2-94
    Flange connection: GB/T9113.1-2000 JB/T79-94
    Testing and inspection: GB/T13927-92

    Main parts materials
    Body/Bonnet
    Carbon steel, stainless steel
    Disc
    Stainless steel
    Stem
    Stainless steel
    Seal Ring
    Rubber, PTFE, stainless steel,hard alloy
     
    Performance specification
    Nominal pressure
    PN
    Shell test
    1.5 X PN
    Leak test
    1.1 X PN
    Operating temperature
    Rubber less than 80oC, PTFE less than 180oC, hard sealing less than 425oC
    Working medium
    paper pulp, sewage, coal slurry

    Connection dimension                                 Unit:mm
    Nominal pressure(MPa)
    Nominal diameter(mm)
    L
    D
    D1
    D2
    H
    N-M
    D0
    1.0
    150
    70
    280
    240
    210
    475
    8-M20
    280
    200
    80
    335
    295
    265
    540
    8-M20
    360
    250
    85
    390
    350
    320
    630
    12-M20
    360
    300
    100
    440
    400
    368
    480
    12-M20
    400
    350
    100
    500
    460
    428
    885
    16-M20
    400
    400
    110
    565
    515
    782
    990
    16-M22
    400
    450
    120
    615
    565
    532
    1100
    20-M22
    530
    500
    130
    670
    620
    585
    1200
    20-M22
    530
    600
    140
    780
    725
    685
    1450
    20-M27
    600
    700
    165
    895
    840
    800
    1700
    24-M27
    600
    800
    190
    1010
    950
    905
    2000
    24-M30
    680
    900
    200
    1110
    1050
    1005
    2300
    28-M30
    680
    1000
     
    1220
    1160
    1150
    2780
    28-M33
    Electric operated optional
    1200
     
    1450
    1380
    1325
    3360
    32-M36
    1400
     
    1675
    1590
    1525
    3920
    36-M39
    1600
     
    1915
    1820
    1750
    4480
    40-M45
    This product is also available for gearbox, hydraulic, pneumatic, electric operated. Please contact us for more information.