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Lord Fin Tube-Finned Tubes For Air Coolers

Finned Tubes For Air Coolers:

Tubes :

Seamless. Cold Drawn. Low Carbon Steel Heat Exchanger And Condenser Tube In Accordance With"Astm"A 179-90a(2005)

Tube Outside Diameter: 25.0mm.

Wall Thick. At Tube End: 3.0mm.

Length Of Tube:9000 Mm

Un-Finned Length At Each End:90 Mm 

Length Of Finned Section: 8820 Mm

Tube Ends Shall Be Cut Square And Prepared Suitable For Rolling And Expansion With Max. Hardness Not Exceeding (72 Hrb) Rockwell.

Permissible Variations.

Tube Length: +6.0 / -0 Mm

Tube Od: +0.15 / -0.15 Mm

Wall Thick. At Tube End: +0.6 / -0.0 Mm

Weight Per (304.8mm.)Length : +12% / -0

Fins:

Aluminium In Accordance With "Astm"

B209m-10 Spec. Alloy No.(1060,1100 Or 1230) Or Equivalnet

Dimensions & Permissible Variation:

1. Fin Outside Dia. (Mm.) : 57,+1 ,-0.0

2. No.Of Fin/Meter: 400 +0, -10.

3. Fin Pitch: 1 Fin/2.5mm.

4. Minimum Stock Thickness Of Fin: 0.4 Mm

Fin Type:

Grooved-Embedded - G Type Fin

Groove Dept.(Mm) :0.25 , +0.05

Packaging:

Finned Tubes, Shall Be Properly And

Suitably Packed To Protect Fins And

Tube Ends From Damage During Lifting

Handling And Shipment.

Marking:

Marking Tags Shall Be Securely

Attached To Each Package.

Marking Tag Shall Contain At Least The

Following Information :-

Name Or Brand Of Manuf.

Tubes Specification.

Foreign Purchase Order No.

Gross Weight.

Protection:

Tube Ends Shall Be Protected Against

Corrosion Protective Coating Should

Suit Outdoor Storage And Can Be Easily

Removed Period Of Protection

Shall Be Specified In The Offer

Detailed Offer And Catalogues Shall

Include The Following :-

Manufacturer Name.

Detailed Specifications.

Variation In Dimensions And Weights.

Packaging And Protection Of Tubes.

Mill Test Certificate Is Required & Shall Include Results Of Following Tests :-

Chemical Composition.

Hardness Tests.

Flattening. Flaring Or Flange Tests.

Hydrostatic Test Or Eddy Current Test

In Accordance With Astm A450m-10 Spec.

Links to Lord Fin Tube:

Brazed Copper Finned Tube

Laser Welding Finned Tube

Longitudinal Finned Tubes

Rectangular/HH Finned Tube

Embedded Finned Tube

HFW Solid Finned Tube

HFW Serrated Finned Tube

Extruded Serrated Finned Tube

Finned Tube Heat Exchangers

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