1. Bodies are machined from bar stock; not a low quality casting from Asia
2. Patended sealing system: seals do not rotate
3. O-ring between the Valve Head and the Coil comes standard
4. Side exhaust coil nut (IP67) is our standard
5. Niche product offering: low temp (-58*F), high temp (250*F), stainless steel, and more.
Our patented sealing system
(extremely low friction seals)
Why Hafner Pneumatik Valves are Better Designed