O-ring poppet valves distributed by Jaeco Fluid Systems are spring loaded with cracking pressures of 2 to 10 psi. Available in sizes from 1/4" to 1" IPS, the valves feature all stainless steel construction, pressures up to 2,500 psi, and operating temperatures from -15 to 400F.

Circle Valve Technologies, Inc. is a distributor for a variety of valve manuifacturers. Available products include poppet valves such as the C2900 series cartriudge check valve pressure rated to 3000 psig. the C2900 series also features curved poppet face and construction of brass, stainless steel or carbon steel.