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Liquid Helium Valve Model C3041-A21
.5" LHe Vacuum Jacketed Globe Valve, Pneumatic Actuated Operation
- 1/2″ IPS LHe Valve
- Cold Box Cuff Or Full Jacket
- Actuated
- Globe Style Body
Features
- Pneumatic Actuation Fail Closed
- Redundant Stem Seal
- Cryogenic Stem Packing
- Brass Bonnet
- Redundant Cryogenic Bonnet Seal
- Bonnet Purge Port (Thermal Relief Location)
- All Stainless Steel Body & Stem
- Cold Box Cuff (Full Jacket Available)
- MLI On Jacketed Valves
- Low Thermal Conductivity Stem & Support Tube
- Brass Plug
- Plug To Stem Stabilizer
- Kel-F Seat Seal w/Locked Thread
- Contoured Flow Plugs Available
Technical Data
- 150 PSIG MAWP
- 225 PSIG Proof
- Seat Seal Bubble Tight @150 PSIG
- Packing Mass Spec Tested @ 1×10-5
- Leak Rate Below 1 x10-8 CC GHe/SEC.
- Heat Leak: 3.5 BTU/HR.(1 Watt)
- Cooldown Mass: 0.75 Pounds.
Applications
- Vacuum Jacketed Piping
- Cold Boxes
- Helium Transfer Lines
- Helium Liquefiers