This 8 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non-potable quality 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 designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections
This ball valve is rated for 125 WSP/400 WOG
and reversible rubber seat discs
Specifications ArmorTek Technology No Backflow Preventer Type Double Check Valve Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Straight Brand Watts Buy American Act Compliant NO Bypass No Cap And Tether No EAN 098268443820 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 IN Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Inlet Thread Type Does Not Apply To Product Lead Free Yes Maximum Temperature-Fahrenheit 140 Maximum Working Pressure-BAR 12
Watts 757NDCDA-OSY-CFM 8 - Part of the 757DCDA Series ADA Pad This 8 inch lead freeThis 8 IN, N pattern, double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri link check valves, two shutoff valves, and four test cocks. It has a cubic foot meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is