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  4. G641J Reciprocating pneumatic diaphragm
  • G641J Reciprocating pneumatic diaphragm valve

G641J Reciprocating pneumatic diaphragm valve

  • Product Item:G641J
  • Design and manufacture:GB/T12239
  • Structure length:HG/T 3704
  • Materials: Bronze, cast Iron, ductile iron, stainless steel, carbon steel and various plastics
  • Nominal pressure150 lbs PN10-16
  • Reciprocating pneumatic diaphragm valve , pneumatic diaphragm valve , weir type diaphragm valve
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    Description

    G641J Reciprocating pneumatic diaphragm valve

    G641J reciprocating pneumatic diaphragm valve is specially designed to control non-corrosive or general corrosive media. There is no lining on the inner surface of the valve body or covered with a variety of optional rubber. The reciprocating pneumatic diaphragm valve is suitable for different working temperatures and fluid pipelines. Applicable Temperature of Reciprocating Pneumatic Diaphragm Valve:<85, <100, <120, <150 (according to lining and diaphragm material)


    Pressure level: PN0.6, 1, 1.6

    Material Science

    Body: cast iron, ductile iron, carbon steel, stainless steel.

    Bonnet: cast iron, ductile iron, carbon steel, stainless steel.

    Lining: no lining, rubber.

    Diaphragm: Rubber

    Disc: cast iron and carbon steel.

    Cylinder: ductile iron

    Piston: carbon steel

    Stem: carbon steel

    Hand wheel: Cast Iron

    Lining layer: EDM test

    Test and inspection according to GB/T13297 standard

    Nominal pressure: PN (Mpa)

    Valve body: PN * 1.5

    Sealing: PN x 1.1

    Parts List: 1, Body 2, Body Lining 3, Diaphragm 4, Disc 5, Lower Stem 6, Cover 7, Cylinder 8, Piston 9, Cylinder Head 10, Upper Stem 11, Handwheel


    Main dimensions and weight


    DN
    mm
    PN
    MPa
    WP
    MPa
    L
    (mm)
    D
    (mm)
    D1
    (mm)
    n-φd
    (mm)
    F
    (mm)
    H1
    (mm)
    H2
    (mm)
    D0
    (mm)
    B
    Air Pressure
    MPa
    Air couple
    in
    Air capacity
    cm3

    Weight

    Kg

    15
    0.6
    0.6
    125
    95
    65
    4-14
    2








    20
    139
    105
    75
    4-14
    2








    25
    145
    115
    85
    4-14
    2
    250
    264
    120
    94
    0.4
    10×1
    2.395×102
    6.5
    32
    160
    140
    100
    4-18
    2
    3025
    328
    140
    120
    0.4
    12×1.25
    6.082×102

    40
    180
    150
    110
    4-18
    3
    306
    328
    140
    120
    0.4
    12×1.25
    6.082×102

    50
    210
    165
    125
    4-18
    3
    379
    405
    160
    185
    0.4
    12×1.25
    1.235×102
    25
    65
    250
    185
    145
    4-18
    3
    467
    502
    240
    245
    0.5
    16×1.5
    3.725×103
    31.5
    80
    300
    200
    160
    4-18
    3
    483
    523
    240
    245
    0.5
    16×1.5
    3.725×103
    62.5
    100
    350
    220
    180
    8-18
    3
    565
    617
    280
    330
    0.5
    20×1.5
    9.458×103
    93.5
    125
    400
    250
    210
    8-18
    3
    664
    732
    320
    380
    0.5
    20×1.5
    1.409×104
    114
    150
    460
    285
    240
    8-22
    3
    750
    830
    320
    470
    0.5
    20×1.5
    2.868×104
    164
    200
    0.4
    570
    340
    295
    8-22
    4
    930
    1050
    400
    470
    0.5
    20×1.5
    4.619×104
    249
    250
    680
    395
    350
    12-22
    4








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