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Liquid Helium Valve Model C3081-A23
1.0" LHe Cold Box Cuff Globe Valve, Pneumatic Actuated Operation
- 1″ IPS LHe Valve
- Cold Box Cuff Or Jacketed
- Actuated
- Globe Style Body
Features
- Pneumatic Actuator Air to Open
- Redundant Stem Seal
- Cryogenic Stem Packing
- Brass Bonnet
- Redundant Cryogenic Bonnet Seal
- Bonnet Purge Port (Thermal Relief Location)
- Stainless Steel Body and Stem
- Cold Box Cuff (Full Jacket Available)
- MLI on Jacketed Valves
- Low Thermal Conductivity Stem and Support Tube
- Brass Plug
- Plug To Stem Stabilizer
- KEL-F Seat Seal w/ Locked Thread Insert
- Contoured Flow Plug Available
Technical Data
- 300 PSIG MAWP
- 450 PSIG Proof
- Packing Mass Spec Tested @ 1×10 -5 TORR.
- Leak Rate Below 1×10 -8CC GHe/SEC.
- Seat Seal Helium Bubble Tight Tested @ 150 PSIG @ Ambient Temperature.
- Heat Leak: 6.25 BTU/HR (1.8 WATTS)
- Cooldown Mass: 3.25 Pounds
- Options:
- Bonnet Purge Port
- Full Lower Jacket
- Manual Operation
- Flow Plugs
Applications
- Vacuum Jacketed Piping
- Cold Boxes
- Helium Transfer Lines
- Helium Liquefiers