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Products

U pipe solar collector �CAKU

 

Working principle of AUCKLAT U pipe solar collector.

The AUCKLAT U pipe solar collector consists of 3 main components:         
1. ALL glass vacuum tube                                                                           
2. Heat transfer system(solar cycle)
3. Frame

In each vacuum tube there is a U pipe with direct flow-through that is connected to the header pipe inside manifold. This U pipe is seamed in an aluminum heat transfer fin in the interior of vacuum tube that transmits the heat FROM the interior tube to the U pipe.
Solar radiation permeates the outer glass tube and is captured on the outside of inner glass tube by highly selective sputter layer. The captured solar radiation is transmitted to flush-contact aluminum shield and then copper pipe filled with heat transfer fluid. The 360°aluminum heat transfer fin assures the fastest energy transfer.



TECHNICAL SPECIFICATION

Model Name

AKU10/47

AKU16/47

AKU12/58

AKU20/58

Manifold casing material

Anodized aluminum

Anodized aluminum

Anodized aluminum

Anodized aluminum

Frame material

Anodized aluminum

Anodized aluminum

Anodized aluminum

Anodized aluminum

Header pipe material

Copper

Copper

Copper

Copper

U pipe material

Copper

Copper

Copper

Copper

U pipe diameter

8mm

8mm

8mm

8mm

No. of pipes

10

16

16

20

Diameter/length of Vacuum tube

47mm/1500mm

47mm/1500mm

58mm/1800mm

58mm/1800mm

No. of vacuum tube

10

16

12

20

Aperture area

0.61m2

1.00m2

1.08m2

2.03m2

Gross area

1.2m2

1.93m2

2m2

3.00m2

Insulation

Rock wool

Rock wool

Rock wool

Rock wool

Rubber seals and rings

UV stabilized silicon rubber

UV stabilized silicon rubber

UV stabilized silicon rubber

UV stabilized silicon rubber

Test pressure

9 bar

9 bar

9 bar

9 bar

Collector mounting

Flat roof/inclined roof

Flat roof/inclined roof

Flat roof/inclined roof

Flat roof/inclined roof

Mounting angle

0 degree-90 degree

0 degree-90 degree

0 degree-90 degree

0 degree-90 degree

Gross weight

28KG

40KG

43KG

65KG

Different size collectors available on request

     


  

Image for reference only and may not be exactly same as real products.

PERFORMANCE

AKU collector has been tested to EN12975 and achieved a comparable high efficiency and with a very small heat loss coefficient. The COST/KWH value is smaller than most other collectors which mean you pay less for each KWH out put for our collector.

(n0=0.880 a1=0.505 a2=0.019)
Above DATA is given to absorber area