LOGIN OR REGISTER English Español 中国的 Dwyer® Menu Home / Products / Flow / Flow Switches / Shuttle / Piston PRODUCTS CALIBRATION SERVICES PRESSURE AIR QUALITY AIR VELOCITY FLOW LEVEL TEMPERATURE TEST EQUIPMENT VALVES MISCELLANEOUS HAZARDOUS RATED SERIES P1 Fixed Setpoints, Flow Rates from 0.10 to 1.5 GPM Brass Flow Switch uses a piston design for detection of flow rates. Applications include industrial cleaning equipment, detecting loss of fluid in hydraulic systems, and assuring coolant flow in semiconductor processing. VIEW MORE SERIES P2 Ideal for Air and Post-Filtered Water Applications, Fixed Set Point, FDA Compliant Flow Switch uses a piston-type design for air and water applications. Economical and superior design. Applications include heat exchangers, filer life monitoring, and cooling applications. VIEW MORE SERIES P3 Fixed Set Points from 0.25 to 2.0 GPM, 3/8" NPT or "Quick Disconnect" Adapters Polypropylene Flow Switch has applications in pure water equipment, filter life monitoring, heat exchangers, and cooling applications. Fits almost any piping requirements. VIEW MORE SERIES P4 Fixed Set Points from 0.1 to 1.5 GPM, SPST and SPDT Switching, Optional Adapters PPS Piston Flow Switch has a molded plastic construction for enhanced performance. Monitors liquids. Features polyphenylene sulfide R4 housing and piston. VIEW MORE SERIES P5 Low Cost Flow/No Flow Monitoring, Visual Flow Indication, Broad Chemical Compatibility PVC Shuttle Flow Switch features corrosion resistant, durable PVS housing for visual confirmation in flow/no flow applications. Has only moving part for long life and minimum maintenance. VIEW MORE SERIES P8 Up to 1500 psi, Fixed Setpoint, Up to 2.0 GPM, Rugged Brass Body High Pressure Brass Flow Switch is ideal for high in-line pressures. Applications include industrial cleaning equipment and high pressure lubrication systems. VIEW MORE SERIES G9 Adjustable Set Point, Water or Oil Service, 90° Flow Path Globe Flow Switch provides an accurate flow detection in water and oil. A shuttle bypass vane inside the housing is controlled externally. Resists shock and vibration. VIEW MORE SERIES GVS Adjustable Set Point, Rugged Bronze Construction, Straight Through Flow Globe Valve Switch has accurate flow detection and external adjust-ability over a broad range of flow settings for compatible liquids. An application of this is low flow detection in cooling lines. VIEW MORE SERIES AFS For Oils, Water and Gases, Infinite Adjustments Adjustable Flow Switch is externally adjustable piston-type flow switches for oils, liquids, and gases. Applications include oil, water, or compatible liquid flow control and protecting tools from coolant flow failure. VIEW MORE MOST POPULAR QUESTIONS MOST POPULAR SERIES P2 SERIES P3 SERIES P5 SERIES GVS DIVISIONS MARKETS BUILDING AUTOMATION POWDER & BULK WATER & WASTEWATER VALVE AUTOMATION HVAC OUR COMPANY HISTORY OF DWYER WHAT'S NEW DIGITAL CATALOG FREE LITERATURE CAREERS MOBILE APPS CONTACT US SUPPORT FAQ AGENCY APPROVAL CERTIFICATES CATALOG PAGES INSTRUCTION MANUALS SAFETY DATA SHEETS CALIBRATION & CERTIFICATE SERVICES WEBSITE FEEDBACK WEBSITE SURVEY INTERNATIONAL DISTRIBUTOR LOGIN POLICIES POLICIES, TERMS, ETC. GLOBAL TRADE COMPLIANCE ENVIRONMENTAL POLICIES SALES TAX MAP POLICY TRADEMARK POLICY TRADEMARK ACKNOWLEDGEMENTS T: +1 800.872.9141 +1 219.879.8000 F: +1 219.872.9057 Copyright © Dwyer Instruments, LLC. All Rights Reserved.