Polna S.A.

MULTI-SPRING PNEUMATIC DIAPHRAGM VALVE ACTUATORS TYPE P1/R1

The multi-spring pneumatic membrane / diaphragm valve 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 diaphragm acutator:

- 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