Flat Solar Collectors with Whole Laser Welding and Blue Titanium Absorber

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Basic Info

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Product Description

Dimensions: 2,050 x 1050 x 95mm

Gross area: 2.15

Absorber area: 2.05

Aperture area: 1.98

Dry weight: 38kg

Liquid volume: 0.46g

Nominal flow rate: 21GPH (0.35GPM)

Nominal pressure loss: 160mbar (water, propylene-glycol, 68F)

Collector connections: 2 connectors at top, 12mm for compression fittings

Absorber type: 12mm/serpentine, laser-welded to aluminum absorber plate

Absorber coating: highly selective on aluminum

Absorption/emission: 95/5%

Covering: low iron, clear and solar safety glass (ESG)

Transmission of covering: 88%

Cover impact resistance passed optional impact resistance tests following EN12975-2

Insulation fiber glass/1.2 inches

Collector frame material: powder coated aluminum

Heat loss coefficient: a1 (k1) 3.95W/(m2K)

Heat loss coefficient: a2 (k2) 0.0165W/(m2K)

Maximum stagnation temperatures: 375.8°F (191°C)

Maximum operating pressure: 10 bar

Solar collectors' advantages:

S-type tube flat plate solar collector, gotten the line patent in China
We are famous factory to produce S type tube flat plate solar collector, no any welding on the tube, no any leakage
Laser welding between whole absorber panel and copper tube, high strength thicken heavy-duty aluminum frame, much better than some technology of ultrasonic welding or heat-conducting glue in some factories
The instant heat efficiency of the collector can up to 81.1%, much higher than the 72%
standard, very rare in China
Germany imported high efficient selective blue titanium coating, used best copper tubes in domestic, copper brand is Hailiang
Special low-iron tempered glass with transmittance more than 92%
Mechanical load, freeze resistance, rain penetration, exposure, hail impact, external and internal shock tested
Long lifetime, large absorber area, good warm keeping, European, North America specially designed
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