Premium Quality: The normally closed solenoid valve is made of brass material, which can resist high temperature and . The direct-acting diaphragm structure is used for pressure- start, which expands its field of use [Diaphragm Valve] This solenoid valve features flat diaphragm structure and pressure- start, it ensures opening and closing. passage of the normally closed solenoid valve is 25mm, and the applicable temperature is -5℃-80℃ The electric solenoid valve is made of brass, which can resist high temperature and, Manufacturer: QAONEAY