... 2W(UW), 2W(UD)series* 2W(UW) series solenoid valve, larger port type, use for air, water, ... Direct lead or DIN electrical connector. * Voltage: 220V/AC, 110V/AC, 24V/DC, 12V/DC, special voltage is available. ... 1/4", 1-1/2", 2".* 2W(UD) series solenoid valve, use for air, water, oil, gas. * ... Direct lead or DIN electrical connector. * Voltage: 220V/AC, 110V/AC, 24V/DC, 12V/DC, special voltage is available. ...