Liquid Helium Valve Model C3082-C23A

1" IPS Cryogenic Liquid Helium Control Valve With Pneumatic Actuator


Features

  • Pneumatic Actuator (Fail Closed)
  • 1–P Positioner
  • Stainless Steel Stem & Threads
  • Redundant Stem Seal
  • Cryogenic Stem Packing
  • Brass Bonnet
  • Redundant Cryogenic Bonnet Seal
  • Bonnet Purge Port (Thermal Relief Location)
  • All Stainless Steel Body & Stem
  • Tight Fit Stem
  • Brass Plug
  • Plug to Stem Stabilizer
  • KEL-F Seat Seal w/ Locked Thread
  • Flow Plug (Equal %)

Technical Data

  • 150 PSIG Working Pressure
    300 PSIG Rating
  • Seat Seal Bubble Tight @ 150 PSIG
  • Packing Mass Spec Tested @ 1 x 10 -5 Torr Vacuum
    Leak Rate Below 1 x 10 -9 CC GHe/SEC
  • Heat Leak: 6.26 BTU/HR to 20° k
  • Cooldown Mass: 3.80 Pounds

Applications

  • Vacuum Jacketed Piping
  • Cold Boxes
  • Helium Transfer Lines
  • Helium Liquefiers