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 […]
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. […]
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 […]
BRASS FLOW SWITCH Fixed Set points, Flow Rates from 0.10 to 1.5 GPM Dwyer P1 Series Shuttle or piston flow switches are sensors with an electrical contact output at a specific flow rate. Models are used with oil, air, water and gases. Applications include oil flow control, low flow detection in cooling lines, and high […]
Description Dwyer Series FS-2 Vane Flow Switches offers an economical flow proving solution. The FS-2 paddles are adjustable to fit 1 to 8″ size pipe. Paddle flow switches or vane sensors with an electrical contact output are at a specific flow rate. Dwyer flow switches are economical and reliable. Applications include proof of boiler flow, […]
Description Dwyer Series V10 Flotect Mini-Size Flow Switches is designed to provide inexpensive, reliable monitoring of the presence or absence of flow in a system. This series is available for field installation in pipelines from 1/2 to 2″ diameter and available in brass or 303 SS body. Paddle flow switches or vane sensors with […]






