Indirect-Fired Heater Formulas

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Indirect-Fired Formulas

Heating Requirements

Input BTU/Hr =		Blower SCFM * Temp Rise * Density Factor
		.8

Temp Rise =		Input BTU/Hr * .8
		CFM * Density Factor

Density Factor =		1.08 +	(70-Blower Temp) * .024
			10

Output BTU/Hr

Output BTU/Hr =

Input BTU/Hr * .8

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