Series 710, 715 Atmospheric Vacuum Breakers assure positive protection against backsiphonage of impure water into the main supply in the event that pressure loss causes vacuum conditions. Series 710, 715 is ideal for hose bibs, chemical vats, X-ray tanks, turf irrigation systems, and laboratory sinks. They feature a bronze body and lightweight plastic poppets. Maximum Working Pressure: 150psi (10.3 bar).
Atmospheric Vacuum Breakers shall be installed on the discharge side of the last shut off valve. Febco Vacuum Breakers have bronze bodies and bonnets, and the non-spilling type. Febco Vacuum are rated to 150 PSI (10.3 bar) working pressure and withstand water temperature of 32 degrees F - 110 degrees F. For the 710 series ( 1" and 2" 32 degrees F - 180 degrees F same ratings for the 715 Series 1/2" and 3/4".