The Apollo Model RP4A series Reduced Pressure Backflow Preventers provide maximum protection of the potable water supply due to back-siphonage or backpressure from substances that are hazardous to the potable water supply. The top accessed modular check valve cartridges provide captured springs, replaceable seats, and reversible silicone seat discs. This Made in America assembly features Apollo ball valves with stainless steel handles and nuts as standard and carry the five-year Apollo factory warranty.
ASSE 1013 - Horizontal (?"-2"), U & Z (?"-1") CSA B.64.4 - Horizontal (?"-2")
Maximum Working Pressure 175 psi Temperature Range 33° F - 180° F
FLOW CURVES, Curves developed from independent approval agencies actual tests Consult factory for detailsÃ‚ indicates rated flow as determined by approval agencies, 7.5 ft/sec is the typical maximum Plumbing system flow rate.