Check Valves

Product	Product
All-Welded Check Valves Internally threadless and all-welded design Forward flow starts at < 2 psig (0.14 bar) pressure differential Standard finish Ra 20 μin (0.5 μm); optional electropolish to Ra 10 μin (0.25 μm) Variety of end connections available	Low Pressure Medium Flow Check Valves Metal-to-metal seal between valve body and gasket ensures sealing performance Low cracking pressure for high sensitivity Cone face seal between seal ring and body provides excellent reverse sealing performance
Low Pressure High Flow Check Valves Metal-to-metal seal between valve body and bonnet Packless design eliminates particle contamination from packing wear Integrated purge port on valve body for easy purging Custom-length connection tube available Low cracking pressure and high sensitivity High flow capacity up to Cv 165.5	High Flow Sensitive Check Valves 316 SS body with FKM O-ring Minimal cracking pressure Large orifice and high capacity KF vacuum flange port