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Liquid Helium Valve Model C3041-M23

.5" LHe Cold Box Cuff Globe Valve, Manual Operation

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

Liquid Helium Valve Model C3041-M23

Product Sheet
Installation & Operation Manual

Features

  • Low Handle Torque for Bubble Tight Shut-off
  • Redundant Stem Seal
  • Cryogenic Stem Packing
  • Brass Bonnet
  • Redundant Cryogenic Bonnet Seal
  • Bonnet Purge Port (Thermal Relief Location)
  • Stainless Steel Body and Stem
  • Cold Box Cuff (Full Jacket Available)
  • MLI on Jacketed Valves
  • Low Thermal Conductivity Stem and Support Tube
  • Brass Plug
  • Plug To Stem Stabilizer
  • KEL-F Seat Seal w/ Locked Thread Insert
  • Contoured Flow Plug Available

Technical Data

  • 300 PSIG MAWP
  • 450 PSIG Proof
  • Seat Seal Bubble Tight @ 150 PSIG
  • Packing Mass Spec Tested @ 1×10 -5 TORR.
  • Leak Rate Below 1×10 -8 CC GHe/SEC.
  • Heat Leak: 3.5 BTU/HR (1 Watt)
  • Cooldown Mass: 0.50 Pounds
  • Options:
    • Bonnet Purge Port
    • Full Lower Jacket
    • Pneumatic Actuator
    • JT Flow Plugs

Applications

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