Cryogenic Valve Model C2042-M21

.5" Vacuum Jacketed Right Angle Valve, Manual Operation


Product Sheet Installation & Operation Manual


  • Low Handle Torque For Bubble Tight Shut-off
  • Stainless Steel Body, Stem and Threads
  • Redundant Stem Seal
  • Cryogenic Stem Packing
  • Brass Bonnet
  • Redundant Cryogenic Bonnet Seal
  • Bonnet Purge Port (Thermal Relief Location)
  • Tight Fit Stem
  • MLI on Jacketed Valves
  • Brass Plug
  • Plug To Stem Stabilizer
  • KEL-F Seat Seal w/ Locked Thread Insert
  • Contoured Flow Plugs Available

Technical Data

  • 300 PSIG MAWP
    450 PSIG Proof
  • 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: 0.65 Pounds
  • Options:
    Purge Port
    Cold Box Jacket
    Pneumatic Actuators


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