SMC (6540090) 815 Series Brass Check Valve ; 1/2" FNPT x 1/2" FNPT BUNA Nitrate Removal1999 and SWTR compliance applications up

and SWTR compliance applications up to 140°F

and 2900 control valves

Satin Nickel

providing peace of mind for residential and commercial installations

} PureT Commercial Grade

SMC (6540090) 815 Series Brass Check Valve ; 1/2" FNPT x 1/2" FNPT BUNA Nitrate Removal1999 and SWTR compliance applications upSMC 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