Browse categories of Backflow Preventers Go to Reduced Pressure Principle (RP) Reduced Pressure Principle (RP) Reduced Pressure Principle (RP, Flanged) Dual Check (DuC) Double Check (DC) Dual Check with atmospheric vent (DuC-AV) Protects potable water supply from contamination due to backflow conditions. Reduced Pressure Principle (RP) FlowShield™ RP, Testable backflow preventer assembly (1/2") FlowShield™ RP, Testable backflow preventer assembly (3/4") FlowShield™ RP, Testable backflow preventer assembly (1") Flowshield™ RP, Testable backflow preventer assembly (1 1/4") Flowshield™ RP, Testable backflow preventer assembly (1 1/2") FlowShield™ RP, Testable backflow preventer assembly (2") Discharge air gap FlowShield™, Valve seat (¾") FlowShield™, Upstream check valve Discharge relief valve FlowShield™, Discharge valve assembly Expand Reduced Pressure Principle (RP, Flanged) FlowShield™ RP, Testable reduced pressure principle backflow preventer (Flanged) Dual Check (DuC) FlowShield™ DuC, Dual check backflow preventer (sweat) FlowShield™ DuC, Dual check backflow preventer (PEX) FlowShield™ DuC, Dual check backflow preventer (press) FlowShield™ DuC, Dual check backflow preventer (FNPT) FlowShield™ DuC, Dual check backflow preventer (MNPT) Expand Double Check (DC) FlowShield™ DC, Testable double check backflow preventer Dual Check with atmospheric vent (DuC-AV) FlowShield™ DuC-AV, Dual check backflow preventer with atmospheric vent
Reduced Pressure Principle (RP) FlowShield™ RP, Testable backflow preventer assembly (1/2") FlowShield™ RP, Testable backflow preventer assembly (3/4") FlowShield™ RP, Testable backflow preventer assembly (1") Flowshield™ RP, Testable backflow preventer assembly (1 1/4") Flowshield™ RP, Testable backflow preventer assembly (1 1/2") FlowShield™ RP, Testable backflow preventer assembly (2") Discharge air gap FlowShield™, Valve seat (¾") FlowShield™, Upstream check valve Discharge relief valve FlowShield™, Discharge valve assembly Expand
Reduced Pressure Principle (RP, Flanged) FlowShield™ RP, Testable reduced pressure principle backflow preventer (Flanged)
Dual Check (DuC) FlowShield™ DuC, Dual check backflow preventer (sweat) FlowShield™ DuC, Dual check backflow preventer (PEX) FlowShield™ DuC, Dual check backflow preventer (press) FlowShield™ DuC, Dual check backflow preventer (FNPT) FlowShield™ DuC, Dual check backflow preventer (MNPT) Expand
Dual Check with atmospheric vent (DuC-AV) FlowShield™ DuC-AV, Dual check backflow preventer with atmospheric vent
