Oako Technology (Shanghai) Co., Ltd. manufactures a large selection of low-power solenoid operated valves for gas system control applications. These valves are available in 2-way normally-open, normally-closed, and manual reset. Oako valves are available in brass, aluminum, steel and iron with different surface treatments. Our features include explosion-proof, pipe tap, visual indication, and closure-proof with leading agency approvals. The pipe connections are from 1/2" to 8" at pressure up to 500psi. Most valves are rated to 30deg. F for outdoor installation in cold weather...