1.CE approved solenoid valve. 2.For gas detector. 3.Manual reset. 4.Protection class: IP65 5.Pressure:0-500mbar or 0-4bar. The solenoid valve have the following specifications: Orifice size (mm)253240506580100150200MediumNatural gas, liquefied petroleum gas, coal gasMedium Temp. ()10-60Ambient Temp. ()20- 60Max. Operating Pressure0-500mbar or 0-4barVoltage (V)AC220 DC24 DC12 or PulseAC220 DC24 or ...