GM series


High Vacuum Diaphragm Valve

GM series high vacuum diaphragm valve uses the valve stem to directly press the rubber mold on the valve seat to cut off or connect the vacuum system. The connection forms include looper flange connection, quick release flange connection and welding connection. The welded connection is divided into welded type I connection (that is, two ends connected), and welded type II connection (that is, one end is welded and the other end is inserted). The applicable working medium of the valve is air and non-corrosive gas.

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  • Technical Parameters
  • Dimensions
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    • Commodity name: High Vacuum Diaphragm Valve
    • Commodity ID: G-001
    • 型号: GM series

    GM series high vacuum diaphragm valve uses the valve stem to directly press the rubber mold on the valve seat to cut off or connect the vacuum system. The connection forms include looper flange connection, quick release flange connection and welding connection. The welded connection is divided into welded type I connection (that is, two ends connected), and welded type II connection (that is, one end is welded and the other end is inserted). The applicable working medium of the valve is air and non-corrosive gas.

    • Applicable range (Pa)105~1.3×10-4
    • Valve leakage rate (Pa.L/S)≤1.3×10-4
    • Medium temperature (°C) -25~+80 (the sealing material is NBR) -30~+150 (the sealing material is fluororubber)
    • Installation position any

     

  •  

    (Figure 1) Loop flange connection and dimensions

     

    model

    diameter(DN)

    ΦD

    ΦB

    ΦW

    H

    L

    n-ΦC

    Flange standard

    GM-10

    10

    46

    36

    55

    75

    75

    4-Φ6

    JB919

    GM-25

    25

    70

    55

    90

    115

    120

    4-Φ7

    GB/T6070

    GM-40

    40

    100

    80

    100

    132

    150

    4-Φ9

    GM-50

    50

    110

    90

    100

    157

    180

    4-Φ9

     

    (Figure 2) Quick release flange (KF) connection and dimensions

     

    model

    diameter(DN)

    ΦD

    ΦB

    ΦW

    H

    L

    Flange standard

    GM-10/KF

    10

    30

    12.2

    55

    75

    75

    GB4982

    GM-25/KF

    25

    40

    26.2

    90

    115

    100

    GM-40/KF

    40

    55

    41.2

    100

    132

    150

    GM-50/KF

    50

    75

    52.2

    100

    157

    180

    /

     

    (Figure 3) Welded connection and dimensions

     

    model

    diameter (DN)

    ΦD

    ΦW

    H

    L

    GM-10-H(I)

    10

    19

    55

    75

    150

    GM-25-H(I)

    25

    32

    90

    115

    200

    GM-40-H(I)

    40

    45

    100

    132

    240

    GM-50-H(I)

    50

    57

    100

    157

    240

    GM-10-H(II)

    10

    9

    55

    75

    150

    GM-25-H(II)

    25

    19

    90

    115

    200

     

     

    Note: Type I is welded at both ends
          One end is welded and the other end is inserted

     

  • File size: 273.9KB

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