Application conditions：

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

Product characteristic：

A. Y type 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. The valve disc and seat was surfacing alloy guide;

E. The valve could be reduction by spring assisted.

Technical parameters：

NPS 1/2”~24" Class 900-4500

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

Medium temperature: ≤550℃