| 摘要 |
PURPOSE: A valve unplugger is provided to safely solve the clog of a valve by connecting the valve unplugger. CONSTITUTION: The front part of a body is formed in a thread to be easily connected with discharge valves inside a pipe. The size is 3/4 inches. A valve unplugger is used in different sized valves by connecting a connector. A stopper stops a stem or fluid primarily. A gland packing of the valve is used as a packing for preventing a secondary leak. Thereby, industrial accidents are reduced by safely opening the closed valves.
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