SMC manufactures a variety of plastic, brass and stainless steel check valves designed in ball, poppet and foot styles. Plastic types incorporate multiple configurations, sizes, materials and cracking pressures and feature pipe thread (NPT), hose barb, push-to-connect and JACO end configurations. Brass and stainless steel check valves feature piston, poppet and ball styles with pipe thread (NPT), hose barb and flare end configurations in pressure ranges to 3000 psi.

Manufactures check valves in a multitude of configurations with operating pressures up to 10,000 psi and cracking pressure from 0 to 250 psi. Seal compound options comprises of Viton, Neoprene, Buna, Teflon, Silicone, Fluro-silicone, Ethylene, Propylene, and Kalrez. Options for materials includes aluminum, brass, steel, stainless steel, and more. Additional features includes male and female NPT from 1/8 to 2 inches, metric and more other threads.      

Doering manufactures a full line of regular and POC check valves including fire resistant models, air pilot NC models, manually-operated hex base types and more in a variety of sizes. Doering also offers several housing options including line mount and panel mount configurations.