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Tek-Temp Instruments, new FK Series recirculating heat exchangers remove heat from process liquids directly to the ambient air by means of a radiator and fan. Ideal application conditions are when the desired circulating temperature is significantly higher than the ambient air temperature, and/or when the heat load is relatively small. Cooling capacity is dependent on the process liquid flow rate, and the difference between the circulating and ambient temperatures. Positive displacement and centrifugal-type circulating pumps are available and are rated for continuous operation.
DT (°F) can be calculated if the load and the flow rate are known:
T (water in) - T (water out) = (load in BTU/hr) divided by (500 · flow rate in GPM).
| MODEL FK-1 PERFORMANCE |
| Heat Removal |
700 BTU/HR |
2100 BTU/HR |
3500 BTU/HR |
| Performance with Flow=1 gpm |
Tout=Tair+15°F |
Tout=Tair+45°F |
Tout=Tair+75°F |
| Performance with Flow=2 gpm |
Tout=Tair+17°F |
Tout=Tair+50°F |
Tout=Tair+85°F |
| MODEL FK-2 PERFORMANCE |
| Heat Removal |
2000 BTU/HR |
6000 BTU/HR |
9900 BTU/HR |
| Performance with Flow=1 gpm |
Tout=Tair+14°F |
Tout=Tair+42°F |
Tout=Tair+70°F |
| Performance with Flow=2 gpm |
Tout=Tair+16°F |
Tout=Tair+47°F |
Tout=Tair+79°F |
| MODEL FK-3 PERFORMANCE |
| Heat Removal |
5000 BTU/HR |
10,000 BTU/HR |
14,000 BTU/HR |
| Performance with Flow=2.5 gpm |
Tout=Tair+30°F |
Tout=Tair+50°F |
Tout=Tair+70°F |
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Dimensions (with feet) |
17.6" wide x 15" high x 17.1" deep |
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Power Requirements |
115 volts, 60 hz, 4 amps |
Available circulating pumps are rated for continuous operation.
Performance specifications will be affected by changes in coolant temperature, ambient temperature, or type of coolant used.
Specifications may change without notice. Specifications can be customized.
Call our Engineering Department at 1-800-259-4212 for assistance.
 Download PDF of Specifications for the FK Series
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