Hayward's PCS Series Pneumatic Actuator provides an air-to-spring 4-piston rack & pinion layout. Also featuring an adjustable travel stops, position indicator and manual override the Hayward's PCS Series Pneumatic Actuator has an ISO 5211 mounting base. Highly compact as well as lightweight it features a namur style solenoid mounting along with the optional cycle speed controls, positioners. Solenoid valves with optional voltages plus the spring return fail-safe application are also featured in the product.