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Stop valve with multiple functions

2014 
The utility model discloses a stop valve with multiple functions. A valve body is a four-way valve body of which the upper part, the lower part, the left part and the right part are communicated with one another; the stop valve is characterized in that a check valve of a backflow prevention device and a flow regulating valve are arranged in an upper through hole, and the stop valve is arranged in a lower through hole; a separating wall is arranged between a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are not communicated with each other; a separating wall is also arranged between the upper through hole and the lower through hole, a water passing hole is formed in the center of the separating wall between the upper through hole and the lower through hole, a small hole is formed in the middle part of the water passing hole in a drilling way, annular edges are respectively arranged at the upper end and the lower end of the water passing hole and are respectively used as valve seats of the check valve of the backflow prevention device and the stop valve, a side hole is also formed in the side surface of the valve body, the side hole is communicated with the water passing hole through the small hole, and a mechanism which is used for detecting the function of the check valve of the backflow prevention device is arranged in the side wall. According to the stop valve with the multiple functions, disclosed by the utility model, the defect of a single valve in the prior art is overcome, and the stop valve with the multiple functions, which is used for enabling the stop valve, a flow valve and the backflow prevention valve to be integrally combined is developed.
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