Adareg Cryogenic Safety Relief Linear Control Valve

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Product Line

Product Type

Features & Benefits

Cover to protect components of the actuator and their adjustments
Limit switches
Air piston (on/off function) which opens the valve by traction
Spring-loaded type which maintains the valve in closed position. Its setting load determines the open pressure of the valve.
Bellows sealed type to ensure internal/external tightness
Thermal color for thermal shield
Fiberglass stem for low heat inleak
VESPEL plug for radiation resistance
Fluid: Helium
Temperature: Down to -457°F, -272°C, 1.2K
Set pressure: 1 bar up to 25 bar
Cold box adaptation: Welding flange
Cryogenic extension: As per BS6364
Body and seat materials: 316L or 304L, Plug materials: Cu AI alloy or stainless steel
Flow characteristics: Linear or =% or on/off
Stem tightness: Bellows sealed
Seat tightness performance: 10-4 mbar.l/s in standard
Across body tightness performance: 10-8mbar.l/s in standard
Valve to atmosphere tightness performance: 10-5 mbar.l/s in standard
Tightness test means: Cryogenic test bench – Kellog method and mass spectrometer
Certificates: EN 10204 3-1 for main constitutive parts of pressure shell