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Composite Aluminium Tube
Composite Aluminium Tube (Al-Al Composite Tube)
2021-12-16
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Aluminium Condenser Header Pipe
2021-12-16

Aluminium Inner Grooved Tube (Internal Toothed Tube)

An aluminium inner-grooved tube also called an internal toothed tube, is the lightweight and cost reduction solution for air conditioning heat exchanger, representing an attractive alternative to copper tube. The inner grooves can be straight or helical. The height range of inner grooves varies from 0.05 to 0.3mm. The higher groove, the better heat transfer performance. It is widely used in heat exchangers for household and commercial air conditioning systems.

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Aluminium Inner Grooved Tube
Aluminium Inner Grooved Tube (Internal Toothed Tube)
Aluminium Inner Grooved Tube
Aluminium Inner Grooved Tube (Internal Toothed Tube)
Aluminium Inner Grooved Tube
Aluminium Inner Grooved Tube (Internal Toothed Tube)
Aluminium Inner Grooved Tube
Aluminium Inner Grooved Tube (Internal Toothed Tube)

Product Details of Aluminium Inner Grooved Tube (Internal Toothed Tube)

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Specifications OD Bottom Wall Thickness (mm) Groove Height (mm)
Φ5.0 ~ Φ15.88 mm 0.35-1 0.05-0.3
φ5mm 0.35-0.5 0.05-0.25
φ7mm 0.4-0.5 0.05-0.25
Φ7.94mm 0.4-0.5 0.05-0.25
Φ9.52mm 0.45-0.55 0.05-0.25
Helix angle (degree) Groove top angle (degree) Weight per meter
0 ~ 25 30 ~ 135
18° 50° 23±3
18° 50° 28±3
18° 50° 40±3
18° 50° 45±3
Aluminium Alloy 1060, 3003, 3103, AA3003H, etc.