Water Cooled Oil Coolers for Rotary Compressors

Selecting a watercooled oil cooler is fairly straight forward. The information below is provided under the following assumptions regarding your compressed air or gas system. Operating temperature is equal to 185 F (85 C). Water temperature is equal to 85 F (29 C). There is a 5 F (3 C) rise through the aftercooler in series. 2:1 oil to water ratio. ISO-VG46 oil or equivilent. If your not sure, or you have questions about this, call us: 1-888-226-8522, we'd be happy to help you.

	Step 1:
Determine the horsepower or SCFM of your compressor:   This information is generally listed on the nameplate of the unit, on the installation / maintenance paperwork that accompanied the compressor, or as part of the model number.
	Step 2:
Select the cooler using either compressor horsepower or SCFM:
Model: Compressor HP Compressor SCFM Approx. Oil Flow GPM   HC-614-1.3-4-F 14 75 7 HC-624-3-4-F 19 100 9 HC-624-3-4-F 23 125 11 HC-624-3-4-F 28 150 14 HC-824-4-4-F 37 200 18 HC-824-4-4-F 47 250 23 HC-1024-2-6-F 56 300 27 HC-1036-5-6-F 70 375 34 HC-1236-2.5-6-F 94 500 45 HC-1236-6-6-F 117 625 56 HC-1248-6-6-F 140 750 60 HC-1748-8.4-6-F 187 1000 70 HC-1748-8.4-6-F 234 1250 88 HC-1760-8.4-6-F 281 1500 105