... )Port size: 1/8 " ~2" 3)Medium: LPG,natural gas,coal gas,firedamp 4)Pressure: 0-10bar 2W / 2S series solenoid valve ... /8 " ~2 "2) Working Medium: air, water, oil, gas, LPG, natural gas,coal gas,firedamp3) Action Type: direct action4) Valve Body: 2W: Brass ... ) Max. Proof Pressure: 1MPa for NC, 0.8MPa for NO9) Seal Material: NBR or VITON or EPDM10) Working Temperature: NBR for ...