Adareg Multi-Stage High Pressure Cryogenic Control Valve for Liquid Nitrogen or Helium

Features & Benefits

Design features

• Fluid: Helium, hydrogen, oxygen, nitrogen, methane, argon, natural gas
• Temperature: Down to -457°F, -254°C, 19 K
• Cold box adaptation: Welding flange (on request)
• Cryogenic extension: As per BS6364
• Materials: : Available on request (depends on fluid, temp., and pressure class.)
• Flow characteristics: Linear or =% or on/off
• Stem tightness: Bellows sealed or packing sealed
• Seat tightness performance: ANSI Class IV, V, or VI
• Across body tightness performance: 10-5 mbar.l/s
• Tightness test means: Cryogenic test bench – Kellog method and mass spectrometer
• Certificates: EN 10204 3-1 for main constitutive parts of pressure shell
• Code and certifications: ASME, RCCMRX, AD2000 W10, DESP