CYCLOBUTANE C4. A Modular Approach to the Gas Flow Market. The World Market for Natural Gas and Gas Flow Measurement study features a core gas flow measurement study and four modules. Chemical Composition of Natural Gas. Natural gas is a naturally occurring gas mixture, consisting mainly of methane. The gas supplied to Union Gas comes from western. A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane or butane. Indoor household gas heaters. Playstation 2 Controller Usb Driver. Chemical Composition of Natural Gas. Nickname Game Yang Keren. Natural gas is a naturally occurring gas mixture, consisting mainly of methane. The gas supplied to Union Gas comes from western Canada, the United States and Ontario producers. While the gas from these sources has a similar analysis, it is not entirely the same. The table below outlines the typical components of natural gas on the Union Gas system and the typical ranges for these values allowing for the different sources. Note that there is no guarantee of the following composition at your location or as an overall system average. Since the different gas supplies enter the Union Gas system at different locations, the exact composition at any site will vary among the different regions and over time. ButaneGasCylinder_WhiteBack.jpg/440px-ButaneGasCylinder_WhiteBack.jpg' alt='Handbook Butane Propane Gas' title='Handbook Butane Propane Gas' />The system average heating value will depend on the mix of gas supplies which is increasingly controlled by our customers, and therefore can vary from the typical value listed below. Natural Gas Composition Components Component Typical Analysismole Rangemole  Methane 9. Ethane 4. 2 1. 5 9. Propane 0. 3 0. 1 1. Butane 0. 0. 3 0. Butane 0. 0. 3 0. Pentane 0. 0. 1 trace 0. Pentane 0. 0. 1 trace 0. Hexanes plus 0. 0. Nitrogen 1. 0 0. 2 5. Carbon Dioxide 0. Oxygen 0. 0. 1 trace 0. Hydrogen trace trace 0. Specific Gravity 0. Gross Heating Value MJm. Wobbe Number MJm. The gross heating value is the total heat obtained by complete combustion at constant pressure of a unit volume of gas in air, including the heat released by condensing the water vapour in the combustion products gas, air, and combustion products taken at standard temperature and pressure. Handbook Butane Propane Gases' title='Handbook Butane Propane Gases' />Sulphur In the Union Gas system, the typical sulphur content is 5. This includes the 4. Water The water vapour content of natural gas in the Union Gas system is less than 6. Typical Combustion Properties of Natural Gas. Note that there is no guarantee that the combustion properties at your location will be exactly as shown. The properties shown are an overall average on the Union Gas system. Ignition Point 5. C Flammability Limits 4 1. Theoretical Flame Temperature stoichiometric airfuel ratio 1. C 3. 56. 2 o. F Maximum Flame Velocity 0. Fingerprint Microsoft Sdk'>Fingerprint Microsoft Sdk. Information provided is from North American Combustion Handbook, Volume 1, 3rd edition, North American Mfg Co., 1. Information provided is from the Union Gas Safety Data Sheet WHMIS.