Three Target Solar Evacuated Glass Vacuum Tube
Three Target Solar Evacuated Glass Vacuum Tube
Produktbeschreibung
Three-target solar vacuum tube
- Key component of solar collector and solar water heater
- Coating material: Al-N/Al or SS-Al/N/Cu.
Specification
Absorbance rate after coating (AM1.5) | α% | ≥94.5 |
Absorbance rate after evacuating (AM1.5) | α% | ≥ 93.5 |
Emission rate after coating (80±5 °C) | α% | ≤ 6 |
Emission rate after evacuating (80±5 °C) | α% | ≤ 6.5 |
Stagnation parameter | m² °C/kW | ≥ 240 |
Solar radiance exposure | MJ/m² | ≤ 3.0 |
Average heat loss coefficient | W/(m²°C) | ≤ 0.70 |
Selective coating material | AL-N/AL, SS-AL-N/Cu | |
Impact resistance | Steel Ball Test: Steel ball with diameter of 30 mm fall on the evacuatedtube vertically from 450 mm height. | |
Vacuum degree | Pa | ≤ 3X10-3 |
Pressure | Mpa | 0.6 |
Transparent (AM1.5) | ≥ 0.89 (ISO9806-1: 1994) |
Lieferfähigkeit
Verpackung und Versand
- Vorlaufzeit:
- Hafen:
- Verpackungsdetails:
>=7000 Stück(e)
US 1.53
Kommentare
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