Siemens 59901050 Pneumatic Actuator

The Siemens 59901050 pneumatic actuator is a reliable positioning device for control valves and dampers in pneumatic HVAC systems. It operates over a 3 to 8 psi control pressure range and delivers a 20 mm stroke.

Identified by actuator code 277, the unit converts a pneumatic control signal into linear motion for accurate modulation of the connected valve or damper.