SMC (6460090) 646 Series Brass Check Valve ; 3/8" FNPT x 3/8" MNPT Hanna (HI70032P) 1382 PPM @ 25C TDS Calibration Solution Blue & White F-451 series

Blue & White F-451 series has been the industry standard for water treatment flow monitoring since 1988

The element's wide pH cleaning tolerance allows for aggressive chemical cleaning when needed

spun polypropylene

and specialty filter cartridges in micron ratings from 1 to 100 microns

5" length with 4" diameter provides extended capacity and higher flow rates than standard cartridges

SMC (6460090) 646 Series Brass Check Valve ; 3/8" FNPT x 3/8" MNPT Hanna (HI70032P) 1382 PPM @ 25C TDS Calibration Solution Blue & White F-451 seriesSMC 646 Series Brass Check Valve 3 8" FNPT x 3 8" MNPT Prevents backflow in residential and commercial water treatment systems with reliable spring loaded brass construction Model 6460090 3 8" NPT Connections Lead Free Brass WHY IT WORKS One Way Flow Protection Spring Loaded Mechanism Internal spring ensures positive closure and prevents reverse flow even under variable pressure conditions Brass Body Construction Lead free brass housing resists