A pneumatic diaphragm linear actuator for operating control valves in industrial plants. It delivers up to 32 kN of thrust and returns to its fail-safe position by spring force if the air supply is lost. It uses rolling diaphragms and maintenance-free sliding bearings.
| Actuating Force | Up to 32 kN |
| Return Mechanism | Pressure springs acting on the diaphragm; returns to the fail-safe position if air supply is lost |
| Spring Action | Spring-to-extend or spring-to-retract |
| Maximum Working Pressure | 6 bar |
| Ambient Operating Temperature | -40 to +80 °C |
| Pneumatic Connection | PA-N160 and PA-N300: NPT 1/4", PA-N540: NPT 1/2", PA-N1080 and PA-N2160: NPT 3/4" |
| Explosion Protection Rating | ATEX Directive 94/9/EC (equipment group II, category 2G) |
| Options | Positioner, manual override, limit switches, solenoid valves |