backflow ball valve for sale, brand-new and used.

New in box.850U Double Check Valve Assemblies with Union End Ball Valves are designed to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature a bronze body and union threaded ball valve end connections. Maximum Working Pressure: 175psi (12.1 bar).

Not spring loaded but the design insures free movement of the ball. Ball supported by a system of guide ribs to give full flow with minimum turbulence and chatter. Union connections for easy access to valve components.

New condition, but with scuffs and scratches from storage - Surplus construction material This listing is for ONE of the pictured valves, not both! Feel free to make an offer for both.

CHUDNOW MFG CO, INC DOUBLE CHECK VALVE / BACKFLOW PREVENTER - S470D-P66 BRAND NEW DOUBLE BALL. ALL STAINLESS STEEL CONSTRUCTION PRIMARY APPLICATIONS ARE BUT NOT LIMITED TO: CARBONATED WATER SYSTEMS - SODA FOUNTAIN MACHINES.

Up for sale is a hydro aspirator vacuum filter pump with both faucet adapters, so this a complete kit to hook into a 55/64" faucet. It includes a 55/64" female faucet to garden hose adapter, garden hose to 3/8" NPT adapter, and the hydro aspirator. The 55/64" adapter is screwed in tight, so it will need some force to be removed if your faucet is not the same size.