L Foot Carbon Steel Aluminum Finned Tubes

L Foot Carbon Steel Aluminum Finned Tubes

L foot carbon steel aluminum finned tubes Manufacturing process: The fin strip (normally aluminum and copper) is folded into an L footed and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface. Surface Protection Both bare ends...

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Product Details

L foot carbon steel aluminum finned tubes

General L-type production capacity

General specifications of L type fin tubes

Finning Facility: 14 finning machines;

Daily capacity up to 6000 meters;

Fin type: Solid plain

Tube OD: 50.8mm max.

Tube Length: 60’

Fin Height: 16 mm max.

Fin Thickness: Normal 0.4~0.5mm

Fin Pitch: 6~12FPI

Manufacturing process:  The fin strip (normally aluminum and copper) is folded into an L footed and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface.

Surface Protection

Both bare ends shall be Zinc or Aluminum metalized applied by an electro spray arc system coating.

Acceptance Criteria

API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions (TDC).

Accessories

Tube Support Box, Clamp or Spacer Box (Material: Aluminum, Zinc and Stainless Steel).

Delivery Condition

Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of L Type Tension Wound Finned Tube.

Packing:

The desiccants are put into wooden case with iron frame.

Applications::

1. Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);

2. High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);

3. The petroleum, chemical and petrochemical industries;

4. The food processing and refrigeration industries;

5. Natural gas treatment;

Specifications:

L Type Finned Tube is combined with two different materials.

Items

General Materials

Popular ASTM Materials

Core Tube Material

Carbon steel, low-alloy steel, stainless steel, brass, copper, cooper-nickel alloys, aluminum bronze, nickel alloys.

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

Fins Material

Aluminum & Copper & Steel

1. Aluminum

2. Copper.

3. Steel

All dimensions are in Inches and specification upon   your requests.

Tube OD

Fin Height

Fin Thickness

Fins per Pitch

5/8

3/8,1/2

.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

3/4

5/8,1/2

.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

1

5/8,1/2

.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

1 1/4

5/8,1/2

.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

1 1/2

5/8,1/2

.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

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