Evacuated Vacuum Tube for Solar Water Heaters is an innovative and energy-efficient solution for harnessing solar energy to heat water. Designed with advanced vacuum insulation and high-performance glass, these tubes maximize heat absorption while minimizing energy loss. Ideal for residential, commercial, and industrial use, they provide reliable performance in various climates, including low-temperature conditions. Their durable, weather-resistant design ensures long-lasting operation with minimal maintenance.
Key Features
- High Thermal Efficiency: Utilizes vacuum insulation to retain heat and reduce energy loss.
- Durable Construction: Made with borosilicate glass for strength and thermal stability.
- All-Weather Performance: Operates efficiently in low temperatures and cloudy conditions.
- Corrosion Resistance: Long-lasting performance in humid and challenging environments.
- Eco-Friendly: Reduces reliance on non-renewable energy sources by utilizing solar energy.
- Easy Integration: Compatible with a wide range of solar water heating systems.
Evacuated Vacuum Tube Technical Table
| Feature | Specification |
|---|---|
| Material | Borosilicate Glass |
| Insulation | Vacuum Sealed |
| Length | 1800 mm (Kenya’s Available Model) |
| Outer Diameter | 58 mm |
| Inner Diameter | 47 mm |
| Heat Retention | > 95% |
| Operating Temperature | -30°C to 250°C |
| Lifespan | 15+ Years |
Features and Specifications
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3.3 borosilicate glass with good light transmission and hard strength can resist temperature difference up to 200 °C, with strong resistance to cold and heat shock, with low burst probability.
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The circular structure automatically tracks the sunlight, which maintains high efficiency throughout the day and provides stable heat supply.
- The vacuum between the two glass tubes reaches 5*10-4Pa with good insulation performance and small heat loss, which maintains a high efficiency for a long time.
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AL/N/AL/SS/CU selective absorbing film coating with absorption rate >93%, reflectivity<8%, high thermal efficiency.
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Excellent magnetic sputter coating process control, selective absorbing film adhesion, high temperature and low temperature resistance, not easy to fall off, long life.
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20 years service life and low cost.
