Coal gas knife gate valve

   Coal Gas knife gate valve, a valve technology. To resolve the problem by providing a short length of a structure, small size, reliable sealing, long life gas knife gate valve.

   Including body composition, ram, valve cover, valve stem and the drive mechanism, which is characterized, for the flat plate-type body structure, and pipeline connections to the folder, ram single ram, the side of the valve seat and valve body sealed and the other side of the back and body contact between the wedge-shaped, sealing surface and the media flows relative. Wedge-shaped contact structure is described in the back are equipped with wedge-shaped sealing surface pressed blocks, body blocks the other side of the corresponding Office pressed silk top regulator.

   The body structure of a utility model has a shorter length, light weight, the valve seat sealing surface can be washed from the media, pressure sealing surface evenly, tight fitting, in the closure of the process can be sealed valve seat surface of the particles, tar, etc. scraping away the advantages of convenience, as well as sewage.

   Suitable for containing dust or tar to use the gas pipeline.