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ADD:Shanghai International Metal Central, Baoshan,Shanghai, The P. R. of China. Post. 201900

Location : Home > News Center > Lord Fin Tube-Monometallic Finned Tube Turbo-E Tube
Lord Fin Tube-Monometallic Finned Tube Turbo-E Tube

1.TURBO-E TUBE is a revolutionary heat transfer tube for boiling on outer surface.

2.It has very excellent heat transfer coefficient derived from an unique fine structure based on the boiling phenomenon essentially.

3.It is different from the conventional integral fin tube which simply increases the surface area.

4.By forming fine openings in the surface skin and circumferential tunnels which connect them under the surface skin, bubbles are generated continuously so that an extremely high boiling heat transfer performance can be achieved.

5.To prevent the phenomenon in which sub-cooled refrigerant invades the tunnels and re-condenses the bubble inside the tunnels, fine projections are formed just beneath the openings in the surface skin to lessen the influence of the sub-cooled refrigerant. This has improved the heat transfer performance in all regions including the low heat flux region.

6.Helix slots are added inside the tube to improve the internal heat transfer coefficient so that the overall heat transfer coefficient is more improved than that of the THERMOEXCEL-E tube.



Series of HSTE1942-1 HSTE1942-2 HSTE1942-3


Dimensions (mm) Outside Diameter (Do) 19.05 19.05 19.05

Wall Thickness (To) 1.3 1.5 1.5

Plain End Dimensions (mm) Outside Dia-meter 15.88 15.88 19.05

Wall Thi-ckness 1.4 1.55 1.55

Finned Section Dimensions Number of Fins Per Inch 42 42 42

Outside Diameter (Df) 18.2 18.2 18.2

Root Diameter (Dr) 16.8 16.8 16.8

Wall Thickness (Tf) 0.65 0.89 0.89

Fin Height (Hf) 0.7 0.7 0.7


Dimensions Numberof Ridges 20~22 20~22 20~22

Depthof Ridges 0.4 0.4 0.4

Helix Angle 30° 30° 30°

* Gap of Fin : 0.05 ~ 0.15          Width of Tunnel: 0.3

Do-----Outside diameter of plain end section

Df------Diameter of top fins

Dr------Root diameter of finned section

Di------Inside diameter of finned section

T0-----Wall thickness of plain end section光

Tf------Wall thickness of finned section

G-------Plain end length

Hf------Fin height

A-------Incomplete finned section

L-------Total length

The corrugated tube was designed to use in water chillers. Water chillers are used for air conditioning applications where water is cooled on the outside of the tube by a refrigerant boiling and expanding on the inside.Corrugated tube can provide superior heat transfer performance and less tube side pressure drop than ordinary plain tubes.



Number Plain and Corrugated Section Dimensions and Tolerances Approx. Weight

(Copper) Outside Diam (Do) Wall Thk. (To) Groove Pitch (Pf) Tolerance +or - Grove Depth Tolerance + or - Minimum Inside Diam. 

mm mm mm mm mm mm mm mm

HSCR09-1 9.52 0.50 6.4 0.38 0.81 0.10 6.6 0.1266

HSCR12-1 12.7 0.6 6.4 0.38 0.81 0.10 9.5 0.2038

HSCR16-1 16.0 0.6 9.5 0.38 1.04 0.13 12.2 0.2594

HSCR19-1 19.0 0.6 9.5 0.38 1.04 0.15 15.5 0.3099

HSCR19-2 19.0 0.6 17.0 0.50 0.50 0.10 18.0 0.3099

HSCR19-3 19.05 0.8 9.0 0.38 0.70 0.15 17.6 0.4098

HSCR25-1 25.0 0.7 22.0 0.50 0.70 0.10 23.6 0.4775

Publisher: Lord Fin Tube
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Keywords:Finned Tube Finned Tube