The Apollo® Model DC4SG, DC4SGN Double Check Valve is designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are non-health hazards. 1/2"ĭouble Check Valve Assembly: Domestic Epoxy Ductile Iron Body, Short Grooved Body Connections, Butterfly, OSY, NRS Shutoff Options 2 1/2" - 8 2-1/2"-12".ĭouble Check Valve Assembly: Domestic Bronze Body Top Access Check Cover, & Test Cocks. Center Stem Guided TriForce™ Check Valves for Low Pressure Drop. Flow Configurations in Vertical Up/Vertical Down, or Vertical Up/Vertical Up. Lead Free - Domestic Stainless Steel Body 2-1/2"-8", FDA Fusion Bonded Epoxy Ductile Iron 10" & 12". These valve setters are designed to simplify the installation of Apollo’s 4AN Backflow Preventers by eliminating the need for thrust blocks between elbows. The setter assembly shall be epoxy coated ductile iron with SS trim and shall be a three-piece assembly to aid in easier installation. "The 2 ½” – 12” Valve Setter shall be an Apollo Model 4AN FS, MJFS, or MJS. Heavy Duty, FDA Fusion Bonded Epoxy Ductile Iron Valve Setter in 2-1/2" to 12 The pressure drop across the assembly shall be documented by an independent laboratory. The assembly shall prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are non-health hazards. The Lead Free* Apollo® domestic ball valve test cocks shall have SS handles. The bodies shall be domestic SS in 2 ½” – 8” sizes and FDA epoxy coated ductile iron in 10” & 12” sizes. Access to the check valves shall be by an Apollo® quick-connect SS coupling (2 ½” – 6”) or grooved couplings (8” – 12”). The check valves shall be held in place by SS snap-in retainers (2 ½” – 6”) or SS studs & nuts (8” – 12”). The TriForceTM center stem guided check valves shall feature reversible silicone rubber seat discs. The assembly shall be manufactured in America and carry a 5-year Apollo® factory warranty. The 2 ½” – 12” Backflow Preventer shall be an Apollo® Model DCLF 4A Lead Free* Double Check Valve. This Made in America assembly features Apollo® ball valves with stainless steel handles and nuts as standard and carries the five-year Apollo® factory warranty. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. The Apollo® Model DCLF4A Lead Free* Double Check Valves prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards. Top Entry Double Check Valve Assembly, Bronze Body, Modular Cartridge Checks with replaceable seats & Reversible Silicone Seat Discs, ½” to 2” with Apollo ball valve shutoffs with SS handles + trim
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