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Cryogenic Valve Model C2121-A21
1.5" Vacuum Jacketed Globe Valve, Pneumatic Actuated Operation
- 1 1/2″ IPS Pipe Size Cryogenic Valve
- Actuated
- 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
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: 27.1 BTU/HR to 20° k
- Cooldown Mass: 13.5 Pounds
- Options
- Cold Box Jacket
- Manual Operation
- Relief Valve
- Flow Plugs
Applications
- Vacuum Jacketed Piping
- Cold Boxes
- Manifold and Tank Systems
- Liquid Nitrogen, Helium, Hydrogen, Argon, and Oxygen Service (With Proper Cleaning)