Diaphragm multi-spring pneumatic actuators type P1/R1

The multi-spring diaphragm pneumatic actuators of P1/R1 type are applied for control operation of control valves

and other positioning elements in industrial automatic systems.

There are three design options of the acutators:

– direct action (air – ejects the stem) – type P1,

– reverse action (air – retracts the stem) – type R1,

– direct action, handwheel – type P1B,

– reverse action, handwheel – type R1B