Used in petroleum chemical industry, flammable and explosive (hydrogen or hydrocarbon +H2+H2S)and strong corrosive.

media conditions.

Product characteristic：

A. The entire valve body are forged,and casting is also available;

B. The valve cavity was full metal pressure sealing structure.

C. The sealing surface of valve disc and seat was surfacing anti cavitation stellite alloy.

D. Stem seal adopt high temperature and high pressure valve stem combined packing structure, it is patent technology when valve in 550℃ high temperature, 4500LB high-pressure gas medium pressure, the valve stem could be zero-leakage.

E. ENPSnsure the reliability and maintainability of the valve.

F. Packing gland was live load structure.

Technical parameters：

1/2~24" Class900-4500

Medium: hydrogen(H2S), hydrogen filling gas, hydrogen gas products (H2S)

Medium temperature: ≤550℃