Ames M400-NRS 4" SS Reduced Pressure Zone Assembly

Ames M400 lead free reduced pressure zone 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. The assembly has a stainless steel body with a quick access sleeve, torsion spring check modules, resilient seated gate valves with non-rising stem, test cocks, and a bottom mounted pressure relief valve.