... certificates Water Solenoid Valve1. 2-way normally closed, 1/8", 1/4",3/8", 1/2",1", 1 ... 3.Orifice:2.5, 4, 16, 20, 25, 35, 40, 50;4.Fluid media: air ,water, oil, gas;5.Fluid temperature ... :-5°C~80°C:6.Voltage:AC 110/220V, 50/60Hz, DC 24V7.Material of solenoid valve ... ;8.Brass series solenoid valve with CE TUV, ISO9001 approvement. Brass 2 Way 2 Position Direct Acting Electric Solenoid Water ...