SMC (6540090) 815 Series Brass Check Valve ; 1/2" FNPT x 1/2" FNPT BUNA Nitrate Removal1999 providing peace of mind for

providing peace of mind for residential and commercial installations

Replace cartridges according to manufacturer recommendations or when pressure drop indicates loading

and 2900 control valves

and SWTR compliance applications up to 140°F

essential for environmental testing

SMC (6540090) 815 Series Brass Check Valve ; 1/2" FNPT x 1/2" FNPT BUNA Nitrate Removal1999 providing peace of mind forSMC 6540090 815 Series Brass Check Valve with BUNA Seal 1 2" FNPT threaded brass check valve prevents backflow in residential and commercial water filtration systems Brass Construction BUNA Seals 1 2" FNPT Ports 815 Series The SMC 815 Series brass check valve uses a BUNA elastomer seal to maintain one way flow in pressurized water lines. Threaded 1 2" female NPT ports on both inlet and outlet make installation straightforward in reverse osmosis