QAL Solar Collector Non Pressure Water Heater

CE, ISO, Keymark, five years warranty, 6 years export experience, manufacture since 2000 

Qal solar water heater advantages:
1> CE, ISO. Five years warranty, long life span
2> Most competitive price and high quality
3> Quality assurance comply with ISO 9001-2008
4> Product quality in compliancee with CE
5> Fast delivery and rich export experience
6> OEM and ODM service

Solar water heating system details
Model: QAL-CG-24 (blue&white blue)

QAL solar water heater /heating/collector tube details:

1>QAL solar water heater/heating/collector tube structure: All-glass double deck co-axial structure
2>Tube size of our solar water heater/heating/collector: 58*1800mm, or 47*1500mm
3>Our solar water heater/heating/collector glass material: High borosilicate 3.3 glass
4>QAL solar water heater/heating/collector outer tube diameter and glass thickness: Ø 58± 0.7mm; Glass thickness 1.6± 0.15mm
5>Inner tube diameter and glass thickness: Ø 47± 0.7mm; Glass thickness 1.6± 0.15mm
6>Absorptive coating property:
*Structure: Cu/SS-ALN(H)/SS-ALN(L)/ALN
*Sediment method: Three targets magnetron sputtering plating
*Specific absorption: 0.93-0.96(AM1.5)
*Emission ratio: 0.04-0.06(800C± 50C)
*Vacuum tightness: 5.0× 10¯ ³ PA
*Idle sunning property parameters: 260-300 m² . C/KW
*Average heat loss coefficient: ULT=0.4~0.6W/(M 2.0 C)
*Resistant Hail≤ 25mm
*Useful life15 years