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BizVerify |
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| CHANGZHOU SUNPOWER SOLAR WATER HEATER CO., LTD. |
| Verified By : SINOTRUST |
| Verified Date : 2008-01-02 |
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| Name︰ | Solar water heater |
| Model No.︰ | SPA-70/1900 SERIES |
| Brand Name︰ | Sunpower |
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Glass evacuated tube Technique specification
Material:borosilicate glass according to ISO3585:1991;transmittance of borosilicate glass:0.92.Absorbance of solar selective
absorptive coating:0.94;Hemispherical emittance:0.08;Getter according to GB/T9505-1998.
Start-up temperature:no more than 25.
Start-up time:no longer than 2 minutes under normal sunshine.
Low temperature resistance:no breaks at-30
Heat impact resistance:no damages after over 3 times'alternative impacts of cold water below 25 and hot water over 90.
Pressure resistance:cam withstand 0.6Mpa.
Hail resistance:no damage by the impact of Φ25mm hail.
Appearance standard:the color of the selective absorptive coatings should be even,and the coatings should have no wrinkles
and peelings.The allowed tolerance of borosilicate glad tube's diameter should be in accordance with ISO4803:1978.camber of
the borosilicate glass tube should be no more than 0.3%.
The translation the borosilicate glass tube,which is 40-60mm away from flange end,should be round.The ratio of the longest to the shortest radial dimensions of the borosilicate glass tube should be no more than 1.02.
MODEL Lighting
(m2) Heat-pipe vacuum tube Supply hot water
(L/℃) Qty.per 20'/40'
Container
diameter length No.
SPA-1800/58-10-C 15 Φ70mm 1700mm 10 120/60 170/334
SPA-1800/58-20-C 3.1 Φ70mm 1700mm 20 223/60 85/168
SPA-1800/58-30-C 5.2 Φ70mm 1700mm 30 300/60 56/115
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