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AYUMI INDUSTRY

Ultra-high vacuum gate valve GM series

Features

  • Manual gate valve
  • Use welded bellows for shaft seal.
  • Diameter is 1 to 10 inch.

Specifications

  • Model GM
    Operation method Manual
    Connection flange CF,VF flange
    Bakeout temperatur 150℃
    Leak volume 10⁻¹⁰ Pa m³ / sec or less
    Shaft seal Bellows method
    Applicable pressure 1.33×105Pa to 10-7Pa
    Material

    　Body: SUS 304
    　Valve body: SUS 304
    　Welded bellows: SUS 304
    　Valve seat packing: Viton O ring
    Operation air pressure

    Unnecessary

Dimension drawing

  • CF flange type dimension drawing

  • CF Flange Type Dimension Table
Model A B C D E F G H I J K L
GM-1C 38.0 40.0 15.0 110.0 62.0 203.0 108.0 95.0 39.0 52.9 2×6-M6(Depth 9） 70.0
GM-2C 61.0 80.0 18.5 141.0 64.0 335.0 189.0 146.0 57.0 71.0 2×8-M8(Depth 16） 114.0
GM-4C 96.0 100.0 31.5 172.0 74.0 421.0 216.0 205.0 76.0 78.0 2×16-M8(Depth 19） 152.0
GM-6C 150.0 200.0 52.0 240.0 80.0 653.0 348.0 305.0 95.0 86.0 2×20-M8(Depth 20） 203.0
GM-8C 200.0 315.0 77.0 310.0 100.0 770.0 385.0 385.0 123.0 100.0 2×24-M8(Depth 24） 253.0
GM-10C 250.0 450.0 102.0 360.0 100.0 890.0 430.0 460.0 148.0 106.0 2×32-M8(Depth 27） 305.0

 

  • VF flange type dimension drawing

  • VF flange type dimension table

Model A B C D E F G H I J K L
GM-1V 35.0 40.0 15.0 110.0 62.0 203.0 108.0 95.0 39.0 43.5 2×4-M8(Depth 8） 90.0
GM-2V 55.0 80.0 18.5 141.0 64.0 335.0 189.0 146.0 57.0 46.0 2×4-M8(Depth 9） 120.0
GM-4V 96.0 100.0 31.5 172.0 74.0 421.0 216.0 205.0 76.0 62.0 2×8-M10(Depth 11） 185.0
GM-6V 150.0 200.0 52.0 240.0 80.0 653.0 348.0 305.0 95.0 66.0 2×8-M10(Depth 11） 235.0
GM-8V 200.0 315.0 77.0 310.0 100.0 770.0 385.0 385.0 123.0 82.0 2×8-M12(Depth 15） 300.0
GM-10V 250.0 450.0 102.0 360.0 100.0 890.0 430.0 460.0 148.0 82.0 2×12-M12(Depth 15） 350.0
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