GDQ-J series


Pneumatic high vacuum flapper valve

GDQ-J series pneumatic high-vacuum flapper valve uses compressed air as power, changes the direction of the air path through the electromagnetic reversing valve, pushes the cylinder piston to move up and down, drives the valve stem to move up and down, and makes the valve plate open or close, so as to achieve The purpose of switching on or off flow in a vacuum system. Pneumatic high vacuum baffle valve can be divided into GDQ-J type rubber seal and GDQ-J(b) type bellows seal according to the shaft seal structure. GDQ-J type is the angle through type,

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  • Technical Parameters
  • Dimensions
  • Electronic sample download
    • Commodity name: Pneumatic high vacuum flapper valve
    • Commodity ID: B-003
    • 型号: GDQ-J series

    GDQ-J series pneumatic high-vacuum flapper valve uses compressed air as power, changes the direction of the air path through the electromagnetic reversing valve, pushes the cylinder piston to move up and down, drives the valve stem to move up and down, and makes the valve plate open or close, so as to achieve The purpose of switching on or off flow in a vacuum system. Pneumatic high vacuum baffle valve can be divided into GDQ-J type rubber seal and GDQ-J(b) type bellows seal according to the shaft seal structure. GDQ-J type is the angle through type,

    • Applicable range (Pa) 105 ~1.3×10-4 (shaft seal material is rubber) 105~1.3×10-6 (shaft seal material is bellows)
    • Valve leakage rate (Pa.L/S) ≤1.3×10-5 (shaft seal material is rubber), ≤1.3×10-7 (shaft seal material is bellows)
    • Medium temperature (°C) -25~+80 (the sealing material is NBR) -30~+150 (the sealing material is fluororubber)
    • Valve main parts material stainless steel or carbon steel
    • Air source pressure (MPa) 0.4~0.8
    • Installation position DN < 300 arbitrary, DN ≥ 300 vertical
    • Power supply voltage Standard factory: AC220V/50Hz Special designation: optional ①AC110V; ②DC24V; ③DC12V, etc.
    • Signal feedback Standard factory: without feedback signal Special designation: magnetic switch DC/AC5~240V

     

     

  •  

    (Picture 1) (KF) Connection and Dimensions

     

     

    model

    diameter (DN)

    ΦD

    ΦB

    H

    A

    Flange standard

    GDQ-J10/KF

    10

    30

    12.2

    182

    30

    GB4982

    GDQ-J16/KF

    16

    30

    17.2

    192

    40

    GDQ-J25/KF

    25

    40

    26.2

    205

    50

    GDQ-J40/KF

    40

    55

    41.2

    221

    65

    GDQ-J50/KF

    50

    75

    52.2

    264

    70

    /

     

    (Picture 2) Loop flange connection and dimensions

    modle

    diameter (DN)

    ΦD

    ΦB

    H

    A

    n-ΦC

    Flange standard

    DNy (pre-extraction)

    GDQ-J40

    40

    100

    80

    221

    70

    4-Φ9

    GB/T6070

    /

    GDQ-J50

    50

    110

    90

    264

    70

    GDQ-J63

    63

    130

    110

    283

    88

    GDQ-J80

    80

    145

    125

    322

    98

    8-Φ9

    GDQ-J100

    100

    165

    145

    338

    108

    GDQ-J125

    125

    200

    175

    424

    128

    8-Φ11

    GDQ-J(S)150

    150

    220

    195

    482

    138

    JB919

    KF40(GB4982)

    GDQ-J(S)160

    160

    225

    200

    482

    138

    GB/T6070

    GDQ-J(S)200

    200

    285

    260

    620

    200

    12-Φ11

    DN50(GB/T6070)

    GDQ-J(S)250

    250

    335

    310

    655

    208

    DN63(GB/T6070)

    GDQ-J(S)300

    300

    380

    350

    783

    250

    8-Φ14

    JB919

    DN80(GB/T6070)

    GDQ-J(S)320

    320

    425

    395

    1064

    250

    12-Φ14

    GB/T6070

    GDQ-J(S)400

    400

    510

    480

    1212

    330

    16-Φ14

    DN100(GB/T6070)

    GDQ-J(S)400

    400

    500

    465

    1212

    330

    8-Φ18

    JB919

    GDQ-J(S)500

    500

    610

    580

    1270

    360

    16-Φ14

    GB/T6070

    DN125(GB/T6070)

    GDQ-J(S)600

    600

    710

    670

    1562

    450

    12-Φ21

    JB919

    DN160(GB/T6070)

    GDQ-J(S)630

    630

    750

    720

    1562

    450

    20-Φ14

    GB/T6070

    GDQ-J(S)800

    800

    920

    880

    1865

    550

    20-Φ21

    JB919

    DN200(GB/T6070)

     

    Note: ① When GDQ-J(S)400 adopts JB919 flange connection standard, its side port also conforms to GB/T6070 standard.

    ②GDQ-J(S)800 bottom to middle port A=500, and the bottom flange is a dead flange, and the screw hole is 20-M18.

  • File size: 153.8KB

Keyword:

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The diaphragm valve

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