Environmentally Conscious and Economically Sound Machine Dismantling Forum > Gurnee
> Agriculture and Food
> Combines
> New watts 909 3/4" back flow preventer in box
New watts 909 3/4" back flow preventer in box
Series 909 Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of a bronze body construction, bronze ball valve shutoffs, and bronze test cocks. Series 909 features a patented "air-in/water-out" design principle for protection during emergency combined backsiphonage and backpressure conditions. It is ideal for health hazard cross-connections or for containment at the service line entrance. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).
