General Information:
Duravis pneumatic 2-way cryogenic valves are designed for applications where liquids and gases are used at low temperatures, typically between -50°C and -196°C. These valves provide safe and efficient flow control in cryogenic systems, including liquefied gases.
Technical Specifications:
-
Valve Type: 2-way cryogenic valve (Pneumatically operated)
-
Body Material: AISI 304 or AISI 316L stainless steel
-
Ball Material: Stainless steel (SS316)
-
Seat Material: PTFE, FKM (compatible with low temperatures)
-
Connection Type: Flanged (DIN PN16, ANSI 150), threaded, welded
-
Size Range: DN15 – DN100
-
Working Pressure: Max. 40 bar
-
Operating Temperature: -196°C to +100°C
-
Actuator Type: Double-acting or spring return pneumatic actuator
-
Protection Class: IP67 (actuator protection class)
-
Accessories: Limit switch, positioner, solenoid valve (optional)
Mounting Position:
-
Suitable for both vertical and horizontal mounting positions
-
Recommended to mount with the actuator facing upwards
-
Proper installation is crucial for efficient operation in low-temperature environments
Applications:
-
Cryogenic liquid systems (liquid nitrogen, oxygen, argon, etc.)
-
LNG (Liquefied Natural Gas) transport and storage
-
Chemical industry
-
Military and space applications
-
Low-temperature testing systems