L Type Finned Tube For Heat Exchanger
The L-shaped wound fin tube increases the external area or internal area of the heat exchange tube, and can also achieve the purpose of improving the heat exchange efficiency of the fin tube.
LL type finned tube information:
Core tube material:
1. Carbon steel: A179, A192, SA210 Gr A1/C, A106 Gr B
2. Stainless steel: TP304/304L, TP316/TP316L
3. Copper: UNS12200/UNS14200/UNS70600, CuNi70/30, CuNi 90/10
4. Titanium: B338 Gr 2
Fin material:
1. Aluminum (Alu.1100, Alu.1060)
2. Copper.
3. Steel
Fin type: solid ordinary
Fin tube type: LL type
Outside diameter (OD): minimum 16mm~maximum 50.8mm
Tube length: up to 18,000 mm.
Fin height: max. 16.5 mm
Fin thickness: generally 0.4mm~0.6mm
Fin spacing: 2.1 mm minimum (12FPI)
Surface Protection: Both exposed ends shall be zinc or aluminum metallized with electrospray arc system coating.
Accessories: tube support boxes, clamps or spacer boxes (materials: aluminium, zinc and stainless steel).
L-Type Fin tube Typical Size:
|
Base Tube O.D (mm) |
Base Tube Thickness (mm) |
Fin Height (mm) |
Fin Thickness(mm) |
Fin Pitch(mm) |
||
|
15.88 ~50.8 |
1.0 ~3.0 |
6.35 ~ 25.4 |
0.3 ~0.5 |
2.1~ 6.0 |
||
|
Base Tube Material |
Fin Material |
Tube Length (Mtr) |
||||
|
Carbon Steel ,Alloy Steel ,Stainless Steel |
Aluminum, Carbon Steel |
≤ 15Mtrs |
||||
Manufacturing scope "L" fin tube, "LL" fin tube, "KLM" fin tube (surround fin tube):-
|
Sr. No |
Particulars |
Range |
|
1 |
Base Tube Material |
Stainless Steel, Carbon Steel, Alloy Steel, Titanium, Copper, Duplex Stainless Steel, Inconel etc. (all material in the theoretical limit) |
|
2 |
Base Tube Outside Diameter |
12.70 mm to 38.10 mm |
|
3 |
Base Tube Thickness |
1.25mm And Above |
|
4 |
Base Tube Length |
500 mm Min To 15000 mm |
|
5 |
Fin Material |
Aluminum, Copper, Stainless Steel, etc. |
|
6 |
Fin Thickness |
0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.55mm, 0.60mm, 0.65mm |
|
7 |
Fin Density |
236 FPM (6 FPI) to 433 FPM (11 FPI) |
|
8 |
Fin Height |
9.8 mm to 16.00 mm |
|
9 |
Bare Ends |
As per Client Requirement |
|
10 |
Manufacturing Capacity |
5,00,000 Meter Per Annum |
L-Finned Pipe
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