Electromagnetic valve
A solenoid valve and valve seat technology, applied in the field of solenoid valves, can solve the problems of sewage siphon backflow polluting the water supply system, etc.
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[0023] A solenoid valve, the valve body 1 is provided with a water inlet 101 and a water outlet A 103, and the water inlet and outlet channels of the valve body 1 are provided with a valve seat A 110, and the valve seat A is equipped with a diaphragm A 14, and the diaphragm A 14 and the valve cover A 2 form a back pressure chamber A 13, the back pressure chamber A 13 communicates with the pilot valve seat A 106, the pilot valve seat A 106 is equipped with a solenoid valve assembly including a solenoid coil A 3, the valve A one-way valve A7 is provided on the channel of the water outlet direction of the seat A110. One side of the back chamber A105 in the water outlet direction of the one-way valve A7 is connected with the water outlet A103, and the other side of the back chamber A105 is connected with a valve. Seat carrier, the valve seat carrier is provided with an atmosphere opening valve seat A 8, the valve seat face of the atmosphere opening valve seat A 8 faces the rear cha...
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