Leading Hastelloy C276/B3 Check Valve Supplier in New Jersey, would hint valves intended for extremely high performance and corrosive service in the ruling of fluid flow. Description: Body Material: Hastelloy C276, B3, C22 Size: 1/2″ to 12″ Class: 150 to 800 Nominal Pressure: PN25 to PN100 Ends: Flanged, threaded, wafer, lug, socket weld, butt weld