... Detailed Product Description 2W series of water valve,2/2 way direct acting water valve.material can be stainless ... steel or brass.medium can be: air,water ,oil,gasModel2W025-062W025-082W040-102WH012-062WH012-082WH020 ... inch) G1/8 G1/4 G3/8G1/8 G1/4 G3/8Working MediumAir,Water,Oil(below 20cst),Gas ... Operating PressureAir,Water,Oil,Gas:0-0.7MPaAir,Water, ...