Double Check Valve Assemblies, Stainless Steel - 757, 757N

Name: Double Check Valve Assemblies, Stainless Steel - 757, 757N
Rating: 4 (10 reviews)

4.0(10 reviews)

Series 757, 757N Double Check Valve Assemblies prevent 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 features a stainless steel housing and sleeve and is 70% lighter than traditional designs. Series 757, 757N is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. Maximum Working Pressure: 175psi (12.06 bar).

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Body Material: 304 (Schedule 40) Stainless Steel, Bronze Body
Connection Size: 2-1/2", 3", 4", 6", 8", 10"
Connection Type: Flanged
Industry Standards: Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
Working Pressure: 175psi (12.1 bar)
Maximum Working Temperature: 33°F – 140°F (0.5°C – 60°C)