... 2)Port size: 1/8 " ~2" 3)Medium: LPG,natural gas,coal gas,firedamp 4)Pressure: 0-10bar 2W / 2S ... " ~2 "2) Working Medium: air, water, oil, gas, LPG, natural gas,coal gas,firedamp3) Action Type: direct action4) Valve Body ... 20,25,35,40,507) Working Pressure: 0~0.7MPa8) Max. Proof Pressure: 1MPa for NC, 0.8MPa for NO9) ... SteelMaterial of Oil SealNBR or VITON LPG or Natural gas or Coal gas solenoid valve