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Lord Fin Tube-LL Type Titanium Finned Tubes

What is LL Type Titanium Finned Tubes?

The LL Type Titanium Finned Tubes made by aluminum fin strip LL type wrapped on titanium bare tubes, which is applied to the base tube using tension deforming so that the fin foot sits flush to the base tube increaseing the efficiency of heat transfer.

LL Type Titanium Finned Tubes

The LL Type Titanium Finned Tubes are similar to the L type finned tube in design, however differens in that the food of the fin. For LL Type, the fin overlaps with the foot of the adjacent fins on the titanium tubes , which providing increased corrosion resistence and slight loss of heat exchange properties. The LL Type finned tubes are typically type and more corrosive environments.

ASTM B338 Grade 2 Chemical Composition (W.T.%)

Elements

Carbon

Oxygen

Nitrogen

Iron

Other

Rest

Standard Requirement

0.08

0.03

0.015

0.3

0.1

Remain

LL Type Titanium Finned Tubes advantage:

LL Type Titanium Finned Tube is light in weight, high in strength and superior in mechanical properties. It is widely used in heat exchange equipment, such as tubular heat exchanger, coil heat exchanger, serpentine heat exchanger, condenser, evaporator and transmission pipeline. Many nuclear power industries use titanium tubes as their unit standard tubes.

Base Tube O.D (mm)

Base Tube Thickness  (mm)

Fin Height (mm)

Fin Thickness  (mm)

Fin Pitch  (mm)

25.4 mm

1.0 mm

15.88 mm

0.4 mm

2.1 mm

Base Tube Material

Fin Material

Tube Length (Mtr)

ASTM B338 Grade 2

Aluminum

9.144Mtrs

LL Type Titanium Finned Tubes

LL Type Titanium Finned Tubes

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