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Room 802, Unit 2, Building 1, Tianrunyuan, Xinbei District, Changzhou, Jiangsu, China (Mainland)
Heat pipe solar collectors
It can be home use or commercial project to heat water by solar power.
| Items | Prameter | |
| Glass tube material | 3.3 high boron silicone | |
| Glass expansion ratio | (3.3±0.1)*10-6K-1 | |
| Outer tube dia. | Ø58±0.1 | |
| Inner tube dia. | Ø47±0.1 | |
| Glass thickness | 1.6±0.1 | |
| Transmittance | ≥0.89 | |
| Tube length | 1800±0.5% | |
| Selective coating | CU-SS-AL-N/AL | |
| Absorptivity | ≥0.86(AM1.5) | |
| Emissivity | ≤0.08(80°c±5°c) | |
| Vacuum degree | ≤5.0*10-3Pa | |
| Startup temp. | 22±2°c | |
Collecting performance parameter under sunshine | ≥190m2°c/kw | |
| Hailstone resistance | Ø25mm | |
Head copper pipe in manifold | Outer dia.: 22mm, thickness:1mm | |
| Heat pipe | Sizes of condenser | Φ14±0.1mm |
| Copper material | TU1 | |
| Copper thickness | 0.6mm | |
| Weight of copper pipe | average 196 g | |
| Max. working pressure of manifold | 0.8 Mpa | |
| Frame material | Aluminum alloy, thickness: 2mm | |
