117th Backflow Preventers

ZURN 10" 375DA Double Check Valve Backflow Preventer (Or Equal). Key features: ?

Sizes: 10” ? Maximum working water pressure 175 PSI ? Maximum working water temperature 140°F ? Hydrostatic test pressure 350 PSI ? End connections (Grooved for steel pipe) AWWA C606, (Flanged bolt pattern)

ASME B16.42 Specifications: ? The Reduced Pressure Detector Backflow Prevention Assembly shall be certified to NSF/ANSI/CAN 61, ASSE® Listed 1047, and supplied with full port OS & Y gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks and the relief valve shall be accessible for maintenance without removing the device from the line. The Reduced Pressure Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 375DA.

Application: ? Designed for installation on water lines in fire protection systems to protect against both back siphonage and back pressure of contaminated water into the potable water supply. The Model 375DA shall provide protection where a potential health hazard exists. Incorporates metered by-pass to detect leaks and unauthorized water use. Additional details can be found on the Purchase Description.