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Process Formulas for
Plastics Processes
Formulas for Plastics Processing
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Process Formulas for
Industrial Processes
Formulas for Indsutrail Processes
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BTU Calculator & BTU Formulas

A BTU is an abbreviation for British Thermal Unit, which is the amount of energy required to raise 1 pound of water 1 degree Fahrenheit at sea level. A BTU is a relatively small amount of energy... about equivalent to the heat generated by striking 1 stick match.

You can calculate BTU heating or cooling requirements for your process by understanding your application. Some common BTU calculating formulas are shown below.

Weighed Water Test:
Measure the flow of water through your process by timing how long it takes to fill a known volumne container. For example, allow your process water to fill a 5-gallon container. Accurately meaure the water temperature entering and exiting your process. Use this formula to calculate BTU cooling required:

BTU/hr = Flow Rate in GPM X (Temperature Leaving Process - Temperature Enter Process /  500

  BTU Calculator for Weighed Water Test
Water Flow Rate
In Gallons Per
Minute (GPM):
Inlet Water
Of Process:
Outlet Water
Of Process:

Results:   BTU/hr   at     Tons

Other Formulas

Hydraulic Cooling For Injection Molding Press:
BTu/hr = Motor Horsepower x 1,200

Hydraulic Cooling For Stamping Press:
BTU/hr = Motor Horsepower x 1,200

Grinder Cooling:
BTU/hr = Motor Horsepower x 2,400

Air Compressor Cooling with After Cooler:
BTU/hr = Compressor Horsepower x 2,400

Material Cooling for Injection Molding:
BTU/hr = Material Processing Rate in pounds per hour x 300

Advantage staffs a full complement of application specialists that can review
your application and help you calculate your BTU requirement.

Call us today at 317-887-0729 and ask for application engineering.
Let us help you calculate BTU's for your process.

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