Watts 757N-DCDA-DOSY-GPM 4 - Part of the 757DCDA Series ZA100F-3NH This 4 IN OSY gate

This 4 IN OSY gate valve with groove by groove end connections includes a supervisory tamper switch to indicate the open or closed position of the OSY gate valve

and wash-down environments that demand consistent hygiene and chemical resistance

and 36" depths

and environmental wear

Watts 757N-DCDA-DOSY-GPM 4 - Part of the 757DCDA Series ZA100F-3NH This 4 IN OSY gateThis 4 inch N pattern double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality, but not toxic, from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards such