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Cryogenic Valve Model C2121-M21

1.5" Vacuum Jacketed Globe Valve, Manual Operation

  • 1-1/2″ IPS Pipe Size Cryogenic Valve
  • Manual Operation
  • Vacuum Jacketed
  • Globe Style Body

cryogenic valve

Product Sheet
Installation & Operation Manual

Features

  • Low Handle Torque for Bubble-tight Shutoff
  • Stainless Steel Stem and Threads
  • Redundant Stem Seal
  • Cryogenic Stem Packing
  • Brass Bonnet
  • Redundant Cryogenic Bonnet Seals
  • Bonnet Purge Port (Thermal Relief Location)
  • All Stainless Steel Body
  • Close Tolerance Stem
  • MLI on Jacketed Valves
  • Brass Plug
  • Plug To Stem Stabilizer
  • KEL-F Seat Seal
  • Contoured Flow Plugs Available

Technical Data

  • 300 PSG MAWP (Maximum Operating Pressure)
    450 PSIG Proof
  • Seat Seal Bubble Tight @ 150 PSIG
  • Packing Mass Spec Tested @1×10-5 Torr
  • Vacuum Leak Rate Below 1×10-9 CC GHe/SEC
  • Heat Leak: 27.3 BTU/HR To 20° k
  • Cooldown Mass: 10.5 Pounds
  • Options:
    • Cold Box Jacket
    • Pneumatic Actuators
    • Purge Ports
    • Flow Plugs

Applications

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