Backflow Spec sheets.pdf

This document is a collection of product specification sheets for reduced pressure principle (RPP) backflow prevention assemblies and related water protection devices.

The assemblies detailed include: ZURN Model 375XL and Model 375 RPP assemblies; WILKINS Model 975XL and Model 975 RPP backflow prevention assemblies; FEBCO Model 825Y/LF825Y/825YR reduced pressure backflow preventers; WATTS Series 909 reduced pressure zone assemblies; WATTS Model 765-QT-PVB 2 vacuum breaker; and WATTS Series LF709 lead-free double check valve assemblies. These devices are designed for installation on potable water lines to protect against backsiphonage and backpressure of contaminated water. All models feature maximum working pressures of 150–175 PSI, maximum temperatures of 140°–180°F, and comply with ASSE, UPC, CSA, AWWA, and NSF standards. Materials include bronze or ductile iron bodies with stainless steel internals and FDA-approved elastomers. Options available across models include various shutoff valve configurations, strainers, air gaps, test fittings, and monitor switches. Sizes range from 1/2 inch to 10 inches, with detailed dimension tables, weight specifications, and flow characteristic curves provided for each model. Several models are lead-free certified and meet NSF/ANSI CAN 61 and 372 requirements for drinking water applications.