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Finned Tube

Spiral Finned Tube

Using the latest Finning Machine .
There are four types of finned tubes; Embedded, Wrap-on, Over Lapped and Knurled type. Mainly used for the parts inside of Air Fin Cooler, Air Heater and etc.
Could be produced (Based on 5/8 " ~ 11/8” OD x 6 m).

Material :

Fin : Aluminium ; Steel ; Copper
Tube : Carbon steel SA 179 ; Copper

Spesification
Tube Size	Imbedded ( G Type )	Wrap on ( L Type )	Wrap on knurled ( KL Type )	Over Lapped ( LL Type )

	6.5 ~ 12.5 FPI	6.5 ~ 12.5 FPI	6.5 ~ 12.5 FPI	6.5 ~ 12.5 FPI

17.3 mm	37.3 ~ 41.3 mm - OD	37.3 ~ 41.3 mm - OD	37.3 ~ 41.3 mm - OD	37.3 ~ 41.3 mm - OD

19.0 mm	39.0 ~ 43.0 mm - OD	39.0 ~ 43.0 mm - OD	39.0 ~ 43.0 mm - OD	39.0 ~ 43.0 mm - OD

21.7 mm	41.7 ~ 53.7 mm - OD	41.7 ~ 53.7 mm - OD	41.7 ~ 53.7 mm - OD	41.7 ~ 53.7 mm - OD

25.4 mm	45.4 ~ 57.4 mm - OD	45.4 ~ 57.4 mm - OD	45.4 ~ 57.4 mm - OD	45.4 ~ 57.4 mm - OD

27.2 mm	47.2 ~ 51.2 mm - OD	47.2 ~ 51.2 mm - OD	47.2 ~ 51.2 mm - OD	47.2 ~ 51.2 mm - OD



	“ G “ Type	“ L “ Type	“ KL “ Type	“ LL “ Type

High Frequency Welded Finned Tube

	Made a technical tie-up and introduced a Finning machine and technology from DENGENSHA, Japan from the beginning. There are two types of HF finned tube, Solid type and Serrated type. Adhesive strength rate of welded fin over tube is more than 90% of fin thickness, and pulling strength is more than 25ksi. 54,000 pcs of finned tubes a year could be produced (Based on 1.5"OD x 20m).
Serrated Type

	Material : Fin : Carbon steel Tube : Carbon steel
Solid Type

Spesification

Tube OD	16 A ~ 150 A	5/8 “ ~ 6 “

Fin thickness	0.8 mm ~ 3.2 mm	0.032 “ ~ 0.126 “

Fin pitch	60 ~ 276 Fin/M	1.5 ~ 7 Fin / In

Fin tube length	10 M max	32 Feet

Rectangular Finned Tube

	Fin size : 15.8 mm ~ 19.0 mm Tube size : 55 x 26 mm Fin pitch : 3 ~ 8 FPI