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Finned Tube

Stainless Finned Tube

Laser Welded Stainless Steel Fin Tube: The laser welded fin tube use of laser welding technology, 99%-100% fully welded, Higher heat transfer ability comparing to HF welding and Wrapped fin tube, Lower energy consumption, reduced cost of consumables and increased efficiency of the process.......
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Laser Welded Stainless Steel Fin Tube:

The laser welded fin tube use of laser welding technology, 99%-100% fully welded, Higher heat transfer ability comparing to HF welding and Wrapped fin tube, Lower energy consumption, reduced cost of consumables and increased efficiency of the process. widely used in corrosive conditions, such as heat recovery in condensing boilers, and heat exchangers in Industries of Chemical, Petroleum, Petrochemical, Metallurgical, Power, Food and Maritime.

 

The products are finned tube using laser welding. Because the products has good thermal efficiency and good non-corrosibility, so it's always applied to petroleum & metallurgy & chemical & Industrial waste heat recovery & Civil gas water heater, radiator & electric water heater and others.

Although the unit price of lase welding is higher than high-frequency welding or winding without welding,

lase welding finned tube has better welding penetration rate and better heat transfer efficiency,

considering long term using it is maximum energy saving to reduce the cost of use, so lase welding tube is most economical.

 

Tube material  stainless steel, titanium, copper

Pipe diameter  10mm - 150mm

Pipe wall thickness  1.0mm - 5.0mm

Fin thickness    0.4mm - 1.0mm

Fin pitch   2.0mm - 20mm

Fin height          0.4mm - 15mm

Fin material    stainless steel, copper

 

Main Features

1) Advanced technology: the product using laser welding technology, 100% penetration rate.

2) Stable quality: the equipment using full automatic production process, product quality is stable and reliable.

3) High heat efficiency: the product has smaller fin spacing and thin tubes to increase the heat transfer area and heat transfer rate.

4) This product can be bent into different shapes to meet different production needs.


Fully Laser Welded Finned Tubes is Welding rate of 100%. for WasteHeat Recovery in Condensing Boilers.


Detail:

Type of Base tubes: Seamless stainless steel tube

Material: stainless steel

Base pipe outer diameter: 12-50mm

Base pipe length: < 10m

Fins Spacing: 2-10mm

Fins Height: 6-18mm

Fin thickness: 0.4-1.0mm

 

Laser welded finned tubes (fin tubes)

New innovation: Laser welded finned tubes (fin tubes) and tube finning machine:


Laser welded finned tubes (fin tubes) is our new development in fin tubes research, which is able to completely automaticly, mechanically laser weld the fins to tubes with advanced welding quality, comparing to traditional high frequency welded helical (spiral) fin tubes.

 

The advantages of Laser welded finned tubes (fin tubes):

Laser welded finned tubes (fin tubes) finning machine has high automatic, the welding of fin to tubes and winding on tubes are made synchronously

100% welding rate,  Laser welded fin tubes has strong soundness between fins and tubes, welding strength is over 600MPa.

Laser welded tube finning machine has high precision up to 0.05mm

0 contact resistance, high co-efficiency of heat transfer for spiral fin tubes by laser welding.

Save production cost. Laser welded finned tubes (fin tubes) has more small fin pitch, less than 2.5mm, its heat transfer area increase around 50% comparing to high frequency welded helical (spiral) finned tubes, which make material costs decrease largely as well as volume of heat exchanger.

 

 


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