... : 2W(UW), 2W(UD)series 2 port solenoid valve: 2W(UW), 2W(UD)series* 2W(UW) series ... Direct diaphragm action, normally closed(normally open option), 2 port 2 position. * Direct lead or DIN electrical connector. ... 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2".* 2W(UD) series solenoid valve, ... * Direct action, normally closed(normally open option), 2 port 2 position. * Direct lead or DIN electrical connector. ...