Fins & absorber
TOP Quality Contributes To
Germany imported detecting instrument Structure
Import production equipment
1.High-efficiency coating
Sun sky solar has 3 types of fins & absorber : Blue TiNOx , black Chrome ,aluminum anode oxidation coating
2.Optical property
Absorptance: 95.3±0.1%
Emittance:4.7±0.1%
3.Instantaneous efficiency:78±2%
4.Patented Laser Welding Process :laser & ultrasonic welding
A thermally tight laser weld joint connection between the absorber and the copper tubing system is achieved with pulsed laser Sun-sky solar has the most advanced machines , laser & ultrasonic welding technology at present in China,we also can offer various size fins & absorber ,serve worldwide flat panel solar collector manufacture .
5.Making standard : EN12975 EN12976
6.Highest temperature:175℃
7.Service span :20years
Specification：
Model
Material
Copper tube .
Tube No.
(pcs)
Welding process
Size
(mm)
Fins
Copper & aluminum
Complex
Φ10*1888 mm
1
Ultrasonic welding
1840*140*0.25
Φ10*1888 mm
1
1840*125*0.25
Φ10*910 mm
1
900*140*0.25
Φ10*710 mm
1
700*140*0.25
Fins absorber
Copper & alumimum
Complex
Φ10*1888 mm
7
1950*950*0.25
Full plate absorber
Φ10*1888mm
8
Laser welding
1950*950*0.25
Sun-sky solar can produce special size fins to meet your requirement
