Dwyer Series P4 PPS Piston Flow Switch

Description Dwyer Series P4 Flow Switch features a molded plastic construction for enhanced performance. Monitor liquids with fixed set points from 0.1 to 1.5 GPM. Choose normally open or normally closed SPST or SPDT hermetically sealed reed switch technology. The industrial switch features PPS (polyphenylene sulfide) R4 housing and piston, 316SS spring, fluoroelastomer O-ring, and […]

Dwyer Series P3 Polypropylene Piston Flow Switch

Description Dwyer Series P3 Polypropylene Flow Switches fit almost any piping requirements with compatible liquids. Choose the inlet and outlet port to be 3/8″ male NPT or 1/4″ male “Quick Disconnect” then select a quick disconnect acetal adapter for straight-through flow or with a shut-off valve. Flow Switches come as paddle, thermal, piezo, and shuttle/piston. […]

Dwyer Series P2 Piston Flow Switch

Description Dwyer Series P2 is comprised of PPE & PS (polyphenylene ether and polystyrene) housing and piston and 316 Stainless Steel spring and stop pin. All wetted parts are FDA compliant. Economical and superior design make this an excellent switch for pure water equipment, filter life monitoring, heat exchangers, and cooling applications. Flow Switch Sensors […]