Cryogenic Valve Model C2123-M21

Features

• Low Handle Torque for Bubble Tight Shutoff
• Stainless Steel Stem & Threads
• Redundant Stem Seals
• 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 PSI MAWP (Maximum Operating Pressure)
• Seat Seal Bubble Tight @ 150 PSIG
• Packing Mass Spec Tested @ 1 x 10 ^-5 Torr
• Leak Rate Below 1 x 10 ^-9 CC GHe/SEC
• Heat Leak: 21.8 BTU/HR to 20° k
• Cooldown Mass 10.5 Pounds

Applications

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