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IBT Modular Indirect Fired Bent Tube Heater Formulas

Heating Requirements
Input BTU/Hr =   Blower SCFM * Temp Rise * Density Factor


Temp Rise =   Input BTU/Hr * .80

CFM * Density Factor

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


Output BTU/Hr
Output BTU/Hr =   Input BTU/Hr * .80