826YDRPDA-OSY-GPM 4

This 4 inch DuraCheck in-line reduced pressure detector backflow preventer assembly protects against high hazard (toxic) fluids in water services to industrial plants, hospitals, morgues, mortuaries, and chemical plants. It is also used in irrigation systems, boiler feed, water lines and other installations requiring maximum protection and detection of unauthorized water use. This assembly consists of a ductile iron body, stainless steel check assemblies, resilient seated gate valves with outside stem and yoke, test cocks, and gallon per minute metered bypass. The maximum working pressure is 175 psi (12.1 bar).