... size: 1/8 " ~2" 3)Medium: LPG,natural gas,coal gas,firedamp 4)Pressure: 0-10bar ... 2 "2) Working Medium: air, water, oil, gas, LPG, natural gas,coal gas,firedamp3) Action Type: direct action4) ... .5,Oil,0~0.5Operating Temperature Range-10~80°CVoltage Range±10%Material of BodyStainless SteelMaterial of ... Oil SealNBR or VITON LPG or Natural gas ...