Beijing Aerospace Propulsion Institute

Beijing Aerospace Petrochemical Technology & Equipment Engineering Corporation Limited

Pingyang Zheng

Fan Yang

Huan Yang

Jin Guo

Yingren Ding

Jingbo Han

Xiang Su

Jinxian Liu

A double-plate gate valve includes a valve body, a valve cover, a valve stem, a guide plate, a goggle plate assembly, a diversion hole assembly, a disc spring assembly and a valve plate and wedge assembly. The goggle plate assembly provides mounting support for the diversion hole assembly and the valve plate and wedge assembly in the valve chamber, the goggle plate assembly is movable along with the diversion hole assembly and the valve plate and wedge assembly in the valve chamber, and floating seals are formed at a contact surface between the diversion hole assembly and the guide plate, and at a contact surface between the valve plate and wedge assembly and the guide plate. A face-to-face distance and a sealing force between a sealing surface of the diversion hole assembly and a sealing surface of the valve body are adjustable.

Double-plate gate valve and use of the same

Growing community of inventors

Beijing, China

Pingyang Zheng