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flat-plate solar collectors
Commercial or Residential
Solar flat-plate collectors are suitable for warmer climates. Flat-plate collectors are affordable and easy to install. For a household size of 4 to 5 people, two flat-plate collectors should be enough to provide 80% of all hot water needs. The first step begins by determining the volume of hot water needed and whether there is area available for the installation. Solar collectors can be installed on the roof or on the ground. Play with our Solar Water Heater Calculator to learn more about the subject.
For residential or small commercial applications, we offer pre-packaged kits for easy selection and installation. Please contact us for pricing.
For larger residential and commercial applications, site inspection and engineering may be required. We will be glad to work with you on your project. Please contact us.
Flat-plate solar collectors specification: Aluminum frame, galvanized steel plate, rock wool insulation, red copper pipes, fin and tube with brazed joints.
Flat-plate Solar Collectors Specification| Dimensions | 80x39x3.75 in |
| Total area | 23.4 sqft |
| Aperture size (m2) | 21.2 sqft |
| Absorber size (m2) | 21.5 sqft |
| Net Weight | 81.6 lbs |
| Capacity | 0.46 gal |
| Flow rate | 21 gpm (0.35 gpm) |
| Pressure Loss | 160mbar (water, propylene-glycol, 68 F) |
| Collector Connections | 2 connectors at top - 3/4 NPT Connector Fittings |
| Absorber Type | 12mm / Serpentine, laser-welded to aluminum absorber plate |
| Absorber Coating | Highly selective on aluminum |
| Absorption / Emission | 95% / 5% |
| Covering | Low iron, clear, solar safety glass (ESG) |
| Transmission of Covering | 88% |
| Cover Impact Resistance | Passed optional impact resistance tests following EN12975-2 |
| Insulation | Mineral wool / 1.2" |
| Collector Frame Material | Powder coated aluminum |
| Efficiency | eta 0: 77.6% (relative to aperture area) |
| Heat Loss Coefficient - a1 | (k1) 3.95 W/(m2K) |
| Heat Loss Coefficient - a2 | (k2) 0.0165 W/(m2K) |
| Maximum Stagnation Temp. | 375.8 F (191 C) |
| Maximum Operating Pressure | 10 bar |
| Warranty | 10 Years |
| Set up angle | 20-90 degree |
| Heat loss | 5.0w/C m2 |
| Flow rate | 1.35 GPM |
| Lifetime | 10 |
solar photovoltaic | solar water heater | evacuated tubes | flat panel collector
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