In certain applications, venting of the actuator has to be avoided in case of pressure failure. For this purpose Hafner has developed the so-called pressure holding valve. From a technical perspective the pressure holding valve is a double non-return valve which is blocking the air-flow when neither at port P1 nor port P2 any pressure […]
Low temperature valves from Hafner Pneumatik
The valves of the low temperature series “Hafner on the Rocks” are now also available as 1/2-in. ported, offering 3,000 lpm air flow. They can be used in low temperature applications down to -40° C. The new 1/2-in. -40° C series features: • 3/2-way, 5/2-way and 5/3-way • Electrically and pneumatically actuated valves • Up to 3,000 lpm air […]