Backflow preventers prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are health or non-health hazards. To prevent contamination due to back pressure, many health regulatory regimes require an air gap or mechanical backflow prevention assembly between the delivery point of mains water and local storage or use. Where submerged mains inflow is permitted, a backflow prevention assembly is required, which protects the potable water system from contamination hazards. A check valve is a basic form of backflow prevention, but often more complex devices are required as check valves are not considered as reliable when compared to devices with redundancies and reduced pressure zones.
755MF00LF Matco Norca 1/8' M x 1/8' F BV w/ Handle Male x Female Test Cock, Lead Free
755MF0LF Matco Norca 1/8' M x 1/4' F BV w/ Handle Male x Female Test Cock, Lead Free
Maximum Operating Pressure: 175 PSI;
Maximum Operating ..
BFP-90-1/2LF Matco Norca 1/2' Threaded Backflow Preventer w/ Unions, Lead Free
BFP-90-3/4LF Matco Norca 3/4' Threaded Backflow Preventer w/ Unions, Lead Free
Dual checks are used in applications where a fully approved, t..
Lead Free Check Valve 700XL Zurn (Wilkins) 3/4' FNPT x Union FNPT Dual Check Valve. Ideal for use wh..
Lead Free backflow preventer 34-375XL Zurn (Wilkins) 3/4' FNPT with Handle Female Test Cock. Ideal f..
Lead Free backflow preventer 34-975XL2 Zurn (Wilkins) 3/4' FNPT with Handle Female Test Cock. Ideal ..
Lead Free backflow preventer 1-375XL Zurn (Wilkins) 1' FNPT with Handle Female Test Cock. Ideal for ..
Lead Free backflow preventer 350XL Zurn (Wilkins) 2' FNPT with Handle Female Double Check Valve Asse..
Lead Free backflow preventer 114-375XL Zurn (Wilkins) 1-1/4' FNPT with Handle Female Test Cock. Idea..
Lead Free backflow preventer 114-975XL2 Zurn (Wilkins) 1-1/4' FNPT with Handle Female Test Cock. Ide..
Lead Free backflow preventer 12-975XL2 Zurn (Wilkins) 1/2' FNPT with Handle Female Test Cock. Ideal ..