Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. Double Check Valve Assemblies are ideal at referenced cross-connections identified as non-health hazard applications. Check with local inspection authorities for installation requirements.
4A-100 / 4ALF-100 Series
Double Check Valve Assembly, Bronze Body, Modular Cartridge Checks with replaceable seats & Reversible Silicone Seat Discs, 1/2 to 2" with ball valve shutoffs with SS handles + trim
4ALF-100 LBF Series
Lead Free - Domestic Stainless Steel Body 2-1/2"-8", FDA Fusion Bonded Epoxy Ductile Iron 10" & 12". Short Inline Configuration, Center Stem Guided TriForceâ„¢ Check Valves for Low Pressure Drop. Butterfly, OSY, NRS Shutoff Options. 2-1/2"- 12".
4ANLF-100 LBF Series
Lead Free - Domestic Stainless Steel Body 2-1/2"-8", FDA Fusion Bonded Epoxy Ductile Iron 10" & 12". Flow Configurations in Vertical Up/Vertical Down, or Vertical Up/Vertical Up. Center Stem Guided TriForceâ„¢ Check Valves for Low Pressure Drop. Butterfly, OSY, NRS Shutoff Options. 2-1/2"-12".
4AN Valve Setter
Heavy Duty, FDA Fusion Bonded Epoxy Ductile Iron Valve Setter in 2-1/2" to 12".
4S-100 Series
Double Check Valve Assembly: Domestic Epoxy Ductile Iron Body; Flanged Body Connections, NRS, OS&Y Gate Options; SS Test Cock Handles & Trim. 10" Only.
4SG-100 Series
Double Check Valve Assembly: Domestic Epoxy Ductile Iron Body, Short Grooved Body Connections, Butterfly, OSY, NRS Shutoff Options 2 1/2" - 8"
