It is mainly used to connect or cut off the medium in the pipeline, and is not suitable for regulating the flow rate of the medium. Gate valves are suitable for a wide range of pressure, temperature, and diameter, especially for medium and large diameter pipelines. Umbrella gear gate valves are suitable for cutting off or connecting media on pipelines in various working conditions such as petroleum, chemical, and thermal power plants. Applicable media include water, oil, steam, etc. The operation modes include manual, gear transmission, electric, etc.