more than 20 years experience ,competitive price,exquisite oppearance ,long-lasting . diaphragm solenoid valve is a small flow,hard seal and closed solenoid valve ,can be used for deforsting refrigeration system,the flow control and on-off control ect.At present ,it has been widely used in refrigerator ,air-conditioning refrigeration units and dehumidfiers.Diaphragm solenoid valve structure ...