... the diaphragm seal structure. Specifications:It is direct action type two-position two-way solenoid valve. It adopts the diaphragm seal structure,with ... at differential pressure, the UW series valve has a completely range of solenoid valves from 1/8" to 2". UW series ... ~7 kgf/cm2Max.Pressure Resistance : 10.5 kgf/cm2Operating Temperature Range : -5~80°CVoltage: DC12V,DC24V,AC24V,AC36V,AC110V,AC220V, ...