Knife gate valve, also known as the knife gate valve, knife gate valve, applies to pipe with suspended particles, fiber materials, pulp, waste water, coal slurry, ash cement mixtures media, relying on the blade shape of the fiber material can be cut The gate to cut off these media. The body chamber does not actually exist, the lifting of the gate in the side guide slot and the bottom of the lugs pressed on the seat, For to achieve a higher dielectric sealing, the choice of the O-shaped seal seat to achieve bi-directional sealing. Drive mode is divided into manual knife gate valves, pneumatic knife gate valve, electric knife gate valve. 

 Manual knife gate valve widely to meet the paper, pulp and paper industry, industrial wastewater and urban sewage treatment, chemical plants, fly ash handling, bulk material handling, food and beverage industry requirements and working conditions harsh environmental conditions slow down the next. Manual knife gate valve to use the knife gate valve opening and closing parts of the gate in the direction of movement of the gate and the flow direction perpendicular to the knife gate valve can only be fully open and fully closed and can not be adjusted and throttle .