Approximate conversion factors - Statistical Review of World Energy Page | 2 Natural gas and LNG To convert Billion cubic metres NG Billion cubic feet NG Million tonnes oil equivalent Million tonnes LNG Trillion British thermal units Million barrels oil equivalent From Multiply by ...• Minimum: 4" w.c. with gas flowing (verify during boiler start-up per Boiler Manual). 3. After connecting propane gas line to boiler, and BEFORE operating, check gas pressure. If gas pressure is not in the range above, close manual gas valve and contact gas supplier to correct the problem before attempting to start or operate the boiler.
Environmental emission of carbon dioxide CO 2 when combustion fuels like coal, oil, natural gas, LPG and bio energy Sponsored Links To calculate the Carbon Dioxide - CO 2 - emission from a fuel, the carbon content of the fuel must be multiplied with the ratio of molecular weight of CO 2 (44) to the molecular weight of Carbon (12) -> 44 / 12 = 3.7