u 400KW/500KVA prime powerFuel: Natural GasIntake pressure0.06 ~ 0.25 MpaEnveronment temperature-15 ~ 50Air humidity≤ 90%Altitude ≤ 1000 m (≥1000 m, the power will reduce by 9.2% each 1000m)Working placeInside or with cover Speed systemType electricalstableStable adjustment ratio≤5%Over speed alarm: 112% Lubricant systemLubricant typepressureflyingpumpinsideLow oil pressure alarm0.12MpaLubricant cooling type: water cooledCooling systemTypeClose waterWater temperature alarm95Starting sytemType: DCVoltage: 24 V DCBattery: Lead acidStarting method: 24 V DC battery, electricalThe requirement of Natural Gas for generator setGas heat value≥31.2MJ/m3Methane ratio≥75 %Total (sulfur)≤460mg/ m3Sulfureted (hydrogen) ratio≤20 mg/ m3Natural gas should be air without liquid stated, particle size in gas0.005mm,≤0.03g/ m3 . (note: standard conditions: 101.3kPa20.