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  2. Vacuum Instruments
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  4. Valves and Pressure Controllers
  5. LoPro™ Single-stage, Bellows-sealed Poppet Valves
  6. LPV1-40-AK-CNVS

Poppet Valve, Bellows-sealed, NW40 ISO-KF, Angled Ports, Viton, Pneumatic

  • Type
    Bellows-sealed Poppet Valve
  • Configuration
    Angled Ports
  • Flange Type
    ISO-KF
  • Flange Size
    NW40
  • Port Size
    NW40
  • Vacuum Range
    10-9 Torr to Atmosphere
  • Valve Actuation
    Pneumatic
  • Actuation Time
    Opening: 0.27 s
    Closing: 0.53 s
  • Blow-By Pressure
    50 psia
  • Seal Material
    Viton
  • Helium Leak Rate
    1.0 x 10-9 std cc/sec
  • Limit Switch
    No
  • Cylinder Volume
    2.2 cubic in.
  • Cylinder Air Pressure
    90 psig ± 30 psig
  • Maximum Internal Spring Closing Pressure
    60 psia
  • Maximum Bakeout Temperature
    150°C
  • Typical Life
    1,000,000 cycles