PZL43 sprocket clamp-on knife gate valve has an ultra-short structure length, which saves material and greatly reduces the overall weight of the piping system. These gate valves take up little effective space, effectively support the strength of the pipeline, and reduce the possibility of pipeline vibration. The gate plate is made of austenitic stainless steel, which greatly improves the corrosion resistance and can effectively prevent the sealing leakage caused by the corrosion of the gate.