C2000 Valve Series

Model C2121-M21

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C2000 Valve Series «
C3000 Liquid Helium Valve Series
C5000 Liquid Helium Valve Series
Product Sheets
Manuals

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

Features

  • Pneumatic Actuator Air To Open
  • Stainless Steel Body, Stem and Jacket
  • 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 Rating
    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: 27.1 BTU/HR To 20°K
  • Cooldown Mass: 13.5 Pounds
  • Options:
    Purge Ports
    Cold Box Jacket
    Pneumatic Actuators
    Flow Plugs

Applications

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