4ANLF-200 OSY 8"

SKU 4ANLF-20E-03

The 2 ½” – 12” Reduced Pressure Principle Backflow Preventer shall be an Apollo® Model RPLF4AN Lead Free*. The assembly shall be manufactured in America and carry a 5-year Apollo® factory warranty. The normally vertical up / vertical down (n-shape) oriented body shall incorporate an internal swivel connection providing the ability to pivot the second check 180°, producing a vertical up RP assembly. The TriForceTM center-stem guided check valves shall feature reversible silicone rubber seat discs. The check valves shall be held in place by drop-in retainers (2 ½” – 6”) or SS studs & nuts (8” – 12”). Access to the check valves and relief valve internals shall be by an Apollo® quick-connect SS coupling (2 ½” – 6”) or grooved couplings (covers) and SS bolts (relief valves) (8” – 12”). The bodies shall be domestic SS in 2 ½” – 8” sizes and FDA epoxy coated ductile iron in 10” & 12” sizes. The Lead Free* Apollo® domestic ball valve test cocks shall have SS handles. The assembly shall prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are health or non-health hazards. The pressure drop across the assembly shall be documented by an independent laboratory.