Highly efficient yet cost effective, DuraFin® L-footed finned tubing offers maximum heat transfer at lower temperatures. The unique L-shaped design holds fins rigidly to withstand heat cycling and high velocity air vibration.
The L-Foot Finned Tube can also be offered in following variations to the Fin:
Knurled Fin (DURA-LK)
Double Overlap Fin (DURA-LL)
Perforated Fin (DURA-LP)
| Fins Per Inch | 4-14 FPI |
|---|---|
| Fin Height | 0.25″ to 0.75″ |
| Fin Material | Cu, Al |
| Tube OD | 0.5″ to 2.0″ OD |
| Tube Material | Cu, CuNi, Br, Al, SS, CS, Ni, Ti |
| Max Process Temperature, Single L and Double Overlap L | 270 °F |
| Max Process Temperature, Knurled L-Foot | 390 °F |
An interference fit type fin with mechanical knurling of the fin material to the tube wall surface.
The double LL coverage provides a double strip thickness coverage of the entire base tube.
This enhancement of the fin face creates “tear drop” slits around the helix that break up air flow.