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High technology, heat transfer area is 8 times than the light tube, high efficiency heat exchanger - details see: https://www.machineto.com/ll-type-aluminum-extruded-spiral-fin-tube-for-heat-transfer-10246954

1. Aluminum extruded spiral fin tube for heat transfer

2. Production range

Bare pipe outer diameter (OD):Min.16mm

Bare pipe length (L):1-12m

Fin spacing (t):2.3-5.0mm

Fin thick (Sn):0.35-0.5mm

Fin height (hf): Max.16mm

3. High technology, heat transfer area is 8 times than the light tube, high efficiency heat exchanger, much more advanced than the other heat exchanger products

4. Our main products is carbon steel tube heat exchanger with carbon steel or stainless steel or other materials, and the type of tubes are seamless or welded

5. Different kinds of finned tubes can be developed and designed according to your requirements

6. Weld able material: carbon steel, corrosion resistant steel, stainless steel, alloy steel

7. Applied range of the products: Boiler economizer\ Power plant waste heat boiler\ Petrochemical engineering and various heat exchangers

8. Top quality, competitive price, fast delivery, excellent service

Aluminum extruded spiral fin tube for heat transfer
Name	symbols	Unit	Value
Steel pipe diameter	d	mm	Min.16
Steel pipe wall	S	mm	No limited
Steel tube length	L	m	1-12
Fin thickness	δ	mm	0.35-0.5
Fin height	h	mm	Max.16
Fins spacing (pitch)	t	mm	2.3-5.0
Steel tube material	Carbon steel, alloy steel, stainless steel
Fin material	Aluminum
Fin form	Parallel fin