Features:
With cover knife gate valve, also known as gas knife gate valve, the valve body is flat plate structure, and pipeline connection to the clamp, ram with one ram, one side and the valve seat seal, the back and the wedge contact between the body to the other side, the flow direction of medium sealing surface and relative. Wedge contact structure is described in the sealing surface on the back are a wedge clamping piece, and the other side of the body corresponding to the clamping piece set to adjust the top wire.
With cover knife gate valve a short length of body structure, light weight, valve seat sealing surface can be from medium erosion, sealing surface pressure evenly, joint closely, can be in the process of closing valve seat sealing surface of the blowing dust and tar away as well as the advantages of convenient draining, prevent leakage of medium.
