Air Water Oil Solenoid Valve 2-way normally closed/open Pipe ... .Orifice:16, 20, 25, 32, 40, 50;4.Fluid media: air ,water, oil, gas;5.Fluid temperature:0°C~120°C ... series solenoid valve with CE TUV, ISO9001 approvement. Stainless Steel Pneumatic Air|Water Electromagnetic Solenoid Valve