Cryogenic Valve Model C2041-C21

Features

• Pneumatic Actuator Air to Open (Nc)
• P–P Position Controller
• Stainless Steel Stem & Threads
• Redundant Stem Seal
• Cryogenic Stem Packing
• Brass Bonnet
• Redundant Cryogenic Bonnet Seal
• Bonnet Purge Port (Thermal Relief Location)
• All Stainless Steel Body & Stem
• Tight Fit Stem
• Brass Plug
• Plug to Stem Stabilizer
• Metering Equal % Trim
  “H” Trim Cv= 0.15 – 0.0035
• .50 x .035 Tube Ends

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: 4.5 BTU/HR to 20° k
• Cooldown Mass: 0.85 Pounds

Applications

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