... /2S valve, they are 2/2way, direct action type. Using some special area. It can start working ... " ~2 "2) Working Medium: air, water, oil, gas3) Action Type: direct action4) Valve Body: 2W: Brass or 2S:Stainless ... ResistanceAir 0~0.7, Water 0~0.5,Oil,0~0.5Operating Temperature Range-10~80°CVoltage Range ... ±10%Material of BodyStainless SteelMaterial of Oil SealXNBR 2-way Explosion-proof solenoid valve