RO Solenoid Valve 2-way normally closed Voltage:110/220V,50/60Hz, ... 1", 1¼",1½",2" pipe size;2.Operating mode: direct acting;3.Orifice:16, 20, 25, 32, 40, 50;4. ... :AC 110/220V, 50/60Hz, DC 12/24V7.Material of solenoid valve:Seals:NBR , VITON or EPDM, body: Forged brass, cast ... brass(for orifice:Φ32, 40, 50 only);8.Brass series solenoid valve with CE TUV, ISO9001 approvement. Normally Closed|Open 2 Way ...