Engineered for corrosive installations, Hayward GF-PP PMD4/PMS4 pneumatic actuators have a glass-filled polypropylene housing that provides corrosion resistance; they come in several sizes for use with Hayward ball valves up through 6 in. and butterfly valves through 4 in. They feature anodized aluminum 2-piston rack and pinion, a 303 Series stainless steel shaft, external position indicator, 1/4-in. NPT air connections, 304 Series stainless steel fasteners, Buna-N seals, permanent lubrication, NAMUR VDI/VDE 3845 mounting for solenoids and an ISO5211 mounting base.
Hayward Flow Control; 888-429-4635; www.haywardflowcontrol.com