Watts 757NDCDA-BFG-CFM 4 - Part of the 757DCDA Series ADS It prevents the reverse backflow

It prevents the reverse backflow through the fire hydrant 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 in accordance with national plumbing codes and water authority requirements

00 Minimum Temperature-Fahrenheit 0 Operating Torque Does Not Apply To Product Outlet Connection Size 2 1/2 IN Outlet Connection Type Socket Outlet Thread Type Does Not Apply To Product Part Number 0555134 Port Type Full Seat Material Virgin PTFE Series LFFBV-4 Stem Packing Material Virgin PTFE Stem Shaft Material Brass Stem Type Bottom Loaded Blowout Proof Thrust Washer Material Virgin PTFE Valve Style 2-piece WOG Rating 600 PSI Specification Sheet - LFFBV-4

Specifications Adjustable Reduced Pressure Range 50 to 125 Adjustable Reduced Pressure Range-BAR 3

exterior chrome finish and union connection for ease of installation of a backflow preventer

This model is ideal for concrete floor installations where dependable access for inspection and maintenance is essential

Watts 757NDCDA-BFG-CFM 4 - Part of the 757DCDA Series ADS It prevents the reverse backflowThis 4 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 UL FM butterfly 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