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Liquid Helium Valve Model C3042-A23
.5" LHe Cold Box Cuff Right Angle Valve, Pneumatic Actuated Operation
Features
- Pneumatic Actuator Air To Open
- Redundant Stem Seal
- Cryogenic Stem Packing
- Brass Bonnet
- Redundant Cryogenic Bonnet Seal
- Bonnet Purge Port (Thermal Relief Location)
- All 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 -8 CC GHe/SEC.
- Heat Leak: 3.5 BTU/HR (1 Watt)
- Seat Seal Helium Bubble Tight Tested @ 150 PSIG @Ambient Temperature
- Cooldown Mass: 0.65 Pounds.
- Options:
- Bonnet Purge Port
- Full Lower Jacket
- JT Flow Plugs
Applications
- Vacuum Jacketed Piping
- Cold Boxes
- Helium Transfer Lines
- Helium Liquefiers