Liquid Helium Valve Model C3041-M21

1/2" LHe Globe Valve with Manual Operation


  • 1/2" IPS LHe Valve
  • Cold Box Cuff Or Jacketed
  • Manual Operation
  • Globe Style Body

liquid helium valve
Product Sheet

Features

  • Manual Actuation
  • Redundant Stem Seal
  • Cryogenic Stem Packing
  • Brass Bonnet
  • Redundant Cryogenic Bonnet Seal
  • Bonnet Purge Port (Thermal Relief Location)
  • All Stainless Steel Body & Stem
  • Cold Box Cuff (Full Jacket Available)
  • MLI On Jacketed Valves
  • Low Thermal Conductivity Stem & Support Tube
  • Brass Plug
  • Plug To Stem Stabilizer
  • Kel-F Seat Seal w/Locked Thread
  • Contoured Flow Plugs Available

Technical Data

  • 225 PSIG Proof
  • Seat Seal Bubble Tight @150 PSIG
  • Packing Mass Spec Tested @ 1x10-5
  • TORR. Leak Rate Below 1 x10-8 CC GHe/SEC.
  • Seat Seal Helium Bubble Tight Tested @ 150 PSIG @ Ambient Temp.
  • Heat Leak: 3.5 BTU/HR.(1 Watt)
  • Cooldown Mass: 0.75 Pounds.

Applications

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