SMC (6850490) 685 Hastelloy Poly Check Valve 1/2" NPT Autotrol (1030358) 8 GPM External Drain Flow Control High bicarbonate levels reduce capacity

High bicarbonate levels reduce capacity significantly

5" inline cartridge with twist-cap installation for cyst

Multiple configuration options allow customized setups for your specific application requirements

Installing Your Pentek Valve-In-Head Housing

which uses a different piston design and port configuration

SMC (6850490) 685 Hastelloy Poly Check Valve 1/2" NPT Autotrol (1030358) 8 GPM External Drain Flow Control High bicarbonate levels reduce capacitySMC Professional Grade SMC 685 Hastelloy Poly Check Valve 1 2" NPT Polypropylene inline check valve with Viton seals and Hastelloy springs for reliable backflow prevention in demanding water treatment applications Model 6850490 125 PSI WOG Chemical Resistant WHY IT WORKS Built for Corrosive Environments Hastelloy Spring Corrosion resistant Hastelloy spring maintains consistent closing force even in aggressive chemical environments where standard