Fuel Gases - Combustion Values

Combustion values for fuel gases like natural gas, propane and butane - Btu per cubic feet.

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Combustion (heat) values for some fuel gases:

Fuel Gas	Combustion Value (Btu/ft³) Load Calculator!	Specific Gravity
	Combustion Value (Btu/ft³) Load Calculator!		Acetylene	1498	0.91
	Blast furnace gas		92	1.02
Butane	3184	1.95 (heavier than air)
Butylene (Butene)	3077	1.94
Carbon Monoxide	323	0.97
Carburated Water Gas	550	0.63
Coke oven	570	0.40
Digester (Sewage) Gas	690	0.80
Ethane	1783	1.06
Hydrogen	325	0.07
Manufactured Gas	500 - 600
Methane	1011	0.55
Natural Gas	950 - 1150	0.660 - 0.708 (lighter than air)
Propane	2504	1.77
Propane-Butane Mix	2500 - 3200
Propylene (Propene)	2332	1.45
Water Gas (bituminous)	261	0.71

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