RO Solenoid Valve 2-way normally closed Voltage:110/220V,50/60Hz,12/ ... Pipe size:3/8" ~ 2" With CE TUV certificates RO Solenoid Valve1. 2/2-way normally closed, 3/8", 3/4 ... EPDM, body: Forged brass, cast brass(for orifice:Φ32, 40, 50 only);8.Brass series solenoid valve with CE TUV, ISO9001 approvement. Normally ...