Fire Hydrant Backflow Preventer Couplings_Aluminum Brass Male to Male Adapter

Brass Male to Male Adapter

The amount of hose the wrapper will secure depends upon the size

NSN: 4210-01-170-0941

Working pressure may vary with the construction of the hose

Plastic 1 1/2 inch combination nozzle has the option of a straight stream or a fog pattern with D-Handle pistol grip shut-off

Fire Hydrant Backflow Preventer Couplings_Aluminum Brass Male to Male AdapterDouble check valves back flow prevention assembly is used to protect water supplies from contamination or pollution due to back flow. Three top mounted test cocks ensure easy access during repair and maintenance. Consists of two spring loaded poppet type check valves and a mechanically independent, hydraulically dependent pressure differential relief valve. Designed to give maximum protection against back flow caused by back pressure or back siphonage