Designed for installation on potable water lines in fire protection systems to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 375ADA shall provide protection where a potential health hazard exists. Incorporates metered by-pass to detect leaks and unauthorized water use.
The Reduced Pressure Detector Backflow Prevention Assembly will be ASSE Listed 1047, and supplied with full port OS & Y gate valves. The main body and access cover will be epoxy coated ductile iron (ASTM A 536 Grade 4), the seat ring and check valve will be NORYL, the stem will be stainless steel (ASTM A 276), and the seat disc elastomers will be EPDM. The checks and the relief valve will be accessible for maintenance without removing the device from the line. The Reduced Pressure Detector Backflow Prevention Assembly will be a WILKINS Model 375ADA.
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