The multi-spring membrane pneumatic actuators of P/R type are applied for control operation of control valves
and other positioning elements in industrial automatic systems.
There are three following design options of the actuator:
– direct action (air – ejects the stem) – type P,
– reverse action (air – retracts the stem) – type R,
– direct action, handwheel – type PN,
– reverse action, handwheel – type RN
[TABS_R id=9590]