On -off control valve

The utility model discloses an on -off control valve, it includes circuit execution controlling part and valve body, the circuit is carried out the controlling part and is included driving motor, control driving motor's control circuit, the gear box that links to each other with driving motor, the valve body includes the valve rod, and sealed rubber ring, global surface face seal layer and case, gear box pass through the valve rod and be connected with the case, the gear box is provided with the inductive head, this control circuit include corresponding to the case open the valve position first hall sensor, corresponding to the case close the valve position second hall sensor and with first hall sensor and second hall sensor hall detection circuitry that link to each other, that be used for detecting the valve position, the both ends of valve body are equipped with external screw thread, external screw thread and standard meter connector accordant connection. The utility model discloses at the operation in -p