... Solenoid Valve 2-way normally closed Voltage:110/220V,50/60Hz,12/24V Pipe size:3/8" ~ 2" With CE TUV certificates RO Solenoid Valve1. 2/2-way normally closed, 3 ... 2" pipe size;2.Operating mode: direct acting;3.Orifice:16, 20, 25, 32, 40, 50;4.Fluid media: air ,water, oil, gas;5 ... /220V, 50/60Hz, DC 12/24V7.Material of solenoid valve:Seals:NBR , VITON or EPDM, body: Forged brass, cast brass(for orifice ...