... pneumatic 2/2 way brass valve (2W series) for water use2W series of water valve,2/2 way direct acting water valve.material can be stainless ... steel or brass.medium can be: air,water ... below 20cst),Gas Operating PressureAir,Water,Oil,Gas:0-0.7MPaAir,Water,Oil:0-2.0MPaMedium TempNBR for-5-80oC and EPDM, ...