OAKO AF05B запорный клапан газа детекторы газа сигнализации

OAKO AF05B shut-off gas valve gas alarm detectors Manually resetting,Normally closed with KEY Alloy gas valve.Explosion proof /Manual reset /Shutoff on power failure.Oako manufactures large selections of low power solenoid operated valves for gas system control applications. These valves are available in 2-way normally open, normally close, and manual reset. Oako valves are available in brass, aluminum, steel and iron with different surface treatments. Features include explosion proof, pipe taps, visual indication, closure proof with leading agency approvals. The pipe connections from 1/2 to 8 and operation pressure up to 500 PSI. Most valves are rated for 30oF service for outdoor installation in frigid climates. Oako's solenoid operated valves have the lowest switching power requirements. They are the first one in their class with direct CMOS digital interface.Established in 2003 OAKO Technology (Shanghai) Co. Ltd. is an US funded company in Shanghai, with high-tech introduced in design and manufacturing. Oako produces quality products that meets or exceeds industry standards. As a result, The AF05B Series meet the compulsory requirements of national standard The regulation of design for town gas. Oako also participated in writing The technical regulations for Gas Alarm Systems in Town for the national construction ministry. Oako received nearly 20 patents in this series.OAKO is continuously upgrading and developing its current products, as well as expanding its product range.