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| Coil Options > Coil Patterns |
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LORDAN produces nine different coil patterns, each with various tube diameters, tube pitch, fin spacing and fin surfaces.
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| Pattern |
Tube
Diam. (mm) |
Tube Pitch [1]
(mm) |
Tube
Geometry [2] |
Fin
Distance
(mm) |
Fin
Design [3] |
| Triple-7 |
7 |
19.05x16.5 |
Staggered |
3.63;1.34 |
F,C,L |
| D-5 |
15.88 |
38.1x38.1 |
Staggered |
4.23;2.12 |
C |
| D-6 |
15.88 |
50.8x50.8 |
In-Line |
6.35;2.12 |
F |
| D-7 |
12.70 |
31.75x27.48 |
Staggered |
6.35;1.81 |
F,C |
| D-8 |
9.52 |
25.4x15.88 |
Staggered |
3.63;1.59 |
C |
| D-9 |
9.52 |
25.4x22 |
Staggered |
4.23;1.41 |
F,C,L |
| D-11 |
9.52 |
20.32x17.6 |
Staggered |
3.17;1.59 |
F,C,L |
| D-13 |
9.52 |
25x12.5 |
Staggered |
2.12;1.49 |
F,C |
| D-14 |
9.52 |
25x25 |
In-Line |
6.35;1.59 |
F,C |
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1 - First number: vertical distance between the tubes; second number: distance between the tube rows.
2 - Staggered:  triangular tube geometry.
In-Line:  rectangular tube geometry.
3 - Fin Design:
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F-Flat |
C-Corrugated |
L-Louvered / Lanced |
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