Cryogenic Valve Model C2041-A23

.5" Cold Box Cuff Globe Valve, Pneumatic Actuated Operation

cryogenic valve for coldbox

Product Drawing


  • Pneumatic Actuator Air To Open
  • Stainless Steel Stem and Threads
  • Redundant Stem Seal
  • Cryogenic Stem Packing
  • Brass Bonnet
  • Redundant Cryogenic Bonnet Seal
  • Bonnet Purge Port (Thermal Relief Location)
  • Tight Fit Stem
  • Brass Plug
  • Plug To Stem Stabilizer
  • KEL-F Seat Seal w/ Locked Thread Insert

Technical Data

  • 300 PSI MAWP (Maximum Operating Pressure)
  • Seat Seal Bubble Tight @ 150 PSIG
  • Packing Mass Spec Tested @ 1x10-5 Torr
  • Vacuum Leak Rate Below 1x10-9 CC GHe/SEC
  • Heat Leak: 4.5 BTU/HR To 20° k
  • Cooldown Mass: 0.85 Pounds


  • Vacuum Jacketed Piping
  • Cold Boxes
  • Manifold and Tank Systems
  • Liquid Nitrogen, Helium, Hydrogen, Argon, and Oxygen Service (With Proper Cleaning)