GI series


High Vacuum Butterfly Valve

GI series high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum tube. The opening and closing of the valve has a locking function. The applicable working medium is air and non-corrosive gas.

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  • Technical Parameters
  • Dimensions
  • Electronic sample download
    • Commodity name: High Vacuum Butterfly Valve
    • Commodity ID: D-001
    • 型号: GI series

    GI series high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum tube. The opening and closing of the valve has a locking function. The applicable working medium is air and non-corrosive gas.

    • Applicable range (Pa) 105 ~1.3×10-6
    • Valve leakage rate (Pa.L/S) ≤1.3×10-7
    • 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
    • Flange standard JB919
    • Installation position any

     

  •  

    Connection and Dimensions

    model

    diameter(DN)

    ΦD

    ΦB

    H

    A

    L

    n-ΦC

    GI-25

    25

    70

    55

    64

    22

    104

    4-Φ7

    GI-32

    32

    78

    64

    68

    GI-40

    40

    85

    70

    72

    116

    GI-50

    50

    110

    90

    85

    4-Φ9

    GI-63

    63

    130

    110

    96

    26

    132

    GI-80

    80

    145

    125

    108

    30

    154

    GI-100

    100

    170

    145

    120

    4-Φ12

    GI-125

    125

    195

    170

    136

    35

    197

    GI-150

    150

    220

    195

    150

    8-Φ12

    GI-200

    200

    275

    250

    185

    40

    242

    GI-250

    250

    330

    300

    219

    45

    330

    GI-300

    300

    380

    350

    245

    55

    8-Φ14

    GI-400

    400

    500

    465

    320

    60

    435

    8-Φ18

     

    Note: GI-63 flange connection is GB/T6070 standard.

     

  • File size: 224.4KB

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