Motorized Electric Butterfly Valves All Hayward butterfly valves feature a reverse "V" notch fastened abrasion resistant elastomeric liner and blow out proof stem. Valves are pre-assembled complete with PHD Series Pneumatic Motorized Electric Actuators.
Other sizes and materials available. Contact us for more information. PVC = PVC Body & Disc, CPVC = CPVC Body & Disc, PPL = Polypropylene Body & Disc. Normally Open/Closed = Position of disc when no power is applied. EVR = General Purpose actuator with manual override. EIS = Actuator for medium to heavy duty applications. Rugged construction with manual override and thermal overload protection. 2 Aux Limit Switches = Two SPDT Limit Switches for Position Feedback.