Overview ：MGQ mine small-caliber high-pressure electric valve, is my company designed for coal mine automation control and design of a electric caliber valve, and in the automation control has made a utility model patents. A fundamental solution to the original use of solenoid valves and manual valves often leak, can not provide accurate valve position signal, no electricity can not manually switch valves and other defects. Applicable to coal mine fire, spray down to pull, downhole pump jet pump and vacuum pump support.