Rotary Pneumatic rotary actuator - AP / APM | SIRCA Pneumatic rotary actuator - AP / APM | SIRCA The Pneumatic Rotary Actuator AP / APM series by SIRCA is designed for efficient actuation of quarter-turn valves, including ball, butterfly, and plug valves. Available in sizes ranging from AP0 to AP12 (Ø32 mm to Ø330 mm), these actuators offer both Double Acting (DA) and Single Acting (SA) configurations. The AP series features a 90° stroke with a... View