... /open Pipe size:3/8" ~ 2" With CE TUV certificates Gas/ Water /Oil Electric Solenoid Valve1. 2/2-way normally closed, 3/8 ... ", 3/4", 1", 1¼",1½",2" pipe size;2.Operating mode: direct acting;3.Orifice:16, 20, 25 ... ;8.Brass series solenoid valve with CE TUV, ISO9001 approvement. 2 Way 2 Position Stainless Steel Gas|Water|Oil Solenoid Valve