Air Water Oil Solenoid Valve 2-way normally closed/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 ... valve:Seals:NBR , VITON or EPDM, body: Stainless steel SS304;8.Brass series solenoid valve with CE TUV, ISO9001 approvement. 2 ...