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SRU SERIES WASTE HEAT RECOVERY CALCULATION SHEET

Fuel savings: 13.32%

Project: ABC Company: 150 gpm
Place: Atascadero
Customer: Sid
Date: 06/21/02

Boiler capacity
BTU/hr : 16,790,000
BHP : 400

SRU type : 40
Heating surface sq.ft. : 3,094

Gas consumption cu.ft/hr : 16,772
Excess air : 1.1
CO2 flue gas %: 10.2
Combustion air temperature oF: 68

Flue gas flow cu.ft./hr : 198,062
Flue gas inlet temp oF: 399
Flue gas outlet temp oF: 87
Flue gas back pressure inH2O: .4857
Water flow gpm : 150
Water inlet temp oF: 60
Water outlet temp oF: 90
Water back pressure psi : 0

Condensate gph : 131
Capacity BHP : 66
Capacity BTU/hr : 2,237,072


Fuel savings: 13.32%

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