Ames M500N-BFG-CFM 4" SS Reduced Pressure Detector Assembly

Ames M500 N pattern reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure. It consists of a stainless steel body with a quick access sleeve, torsion spring check valves, grooved butterfly valve shutoffs, test cocks, and a corrosive resistant bottom mounted pressure relief valve. It comes furnished with a cubic feet per minute meter to detect underground leaks and unauthorized water use.