PZ573 bevel gear clamp knife gate valve is suitable for pipes with suspended particles, pulp, sewage, coal slurry, ash cement mixture and other media with suspended particles, fiber materials, etc., and cuts these media by cutting these media by cutting the blade gate plate of fiber materials. The valve body does not actually have a chamber, the gate plate is raised and lowered in the side guide groove, and pressed against the valve seat by the lugs at the bottom, if high media tightness is required, the O-seal valve seat can be selected to achieve two-way sealing. According to the driving mode, it is divided into manual knife gate valve, pneumatic knife gate valve and electric knife gate valve.