Abradant International

Air Cooled After Coolers

Air cooled compressed air aftercoolers cools the compressed air with atmospheric air.

The compressed air is cooled to approximately 9oC above ambient temperature.

A sufficient capacity aftercooler can take upto 80% of the moisture present in the compressed air.

The BL Series is a complete aftercooler package designed to work on most models of rotary air compressors. To select the appropriate model, simply determine compressor horse power, and select model from the chart.


GENERAL TECHNICAL DATA

AIR COMPRESSOR HORSEPOWER

INTERNAL AIRFLOW MAXIMUM CFM

MODEL NUMBER

50-75 HP

539

BL 450

100-125 HP

785

BL 600

150-200 HP

1569

BL 1000

225-350 HP

2300

BL 1600


Sizing Notes, Recommendations are based on the following:-
Heat Removal : After cooler = Compressor horsepower x 1.15 ( motor service factor ) x .17 (this assumes 17% of input horsepower is rejected to heat).
15oF Approach Temperature : Compressor air outlet temperature - ambient air temperature.
Temperatures : Ambient Air Temperature + 15oF = Compressed Air Outlet Temperature.
Flows : Compressor Horsepower x 4.5 = SCFM Air Flow.


Air flow rates are based on less than a 4 PSI pressure drop @ 100 PSI operating & 100oF ambient and 50% relative humidity.


Aftercooler Specifications:-

Ratings
Maximum working pressure : 250psi
Maximum working temperature : 250oF

Materials
Cooler : Aluminum
Shroud : Powder Painted Steel
Fan Guard : Zinc Plated Steel
Fan Blade : Polypropylene Blades Aluminum Hub
Mounting Brackets : Powder Painted Steel


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