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✅ Automated Production Lines: State-of-the-art robotics for precision welding, coating application, and assembly ensuring consistent high quality.
Solar Thermal Collector System
High-Performance Flat Plate Collector
1. Blue film coating: Solar absorptance α = 95% ±2% (@AM1.5); emissivity as low as 5% ±2% (@80°C)
2. Optimized flow channel design, enabling modular installation
3. 35 kg/m³ high-pressure one-time polyurethane foaming, delivering excellent thermal insulation
4. High-transmittance, low-iron tempered glass, with 91% light transmittance
5. Suitable for domestic hot water, swimming pools, and industrial heating applications
Product Details
Product Introduction: Premium Flat Plate Solar Thermal Collector
Our flat plate solar thermal collectors deliver high-efficiency heat harvesting for residential, commercial, and industrial applications. Engineered with a laser-welded copper absorber (α=0.95 selective coating) and 4mm low-iron tempered glass (92% light transmittance), each panel achieves up to 78% thermal efficiency – even in partial shade. The anodized aluminum frame (salt-spray resistant) and 50mm rock wool insulation minimize heat loss, while a hydrophobic glass coating ensures rapid snow/ice shedding. Pre-assembled for plug-and-play installation, these glycol-compatible panels withstand -25°C freezes and 10-bar pressures, making them ideal for rooftop integration in homes, hotels, factories, and district heating networks. Solar Keymark certified with a 10-year absorber warranty.
Technical Highlights Summary:
Ultra-Slim Flat Plate Collector
1. Only 50mm thick, saving up to 38% in transportation space and cost
2. Uses 35 kg/m³ high-pressure one-time polyurethane foaming for outstanding thermal insulation
3. Blue film coating with solar absorptance α = 95% ±2% (@AM1.5)
4. Modern industrial design, perfectly fits architectural aesthetics
Technical Parameters:
1. High-Performance Absorber Coating: Durable, high-absorption, low-emissivity selective surface coating.
2. Design: Laser-welded or ultrasonic-welded riser tubes ensuring optimal thermal contact and minimal pressure drop.
3. Advanced Glazing: Low-iron, tempered solar safety glass.
4. Insulation: High-density mineral wool (rockwool) or polyurethane foam.
5. Robust Frame & Housing: Material: Anodized aluminum or galvanized/powder-coated steel for superior corrosion resistance and structural integrity.
6. Sealing: Long-lasting butyl rubber or silicone seals ensuring a weatherproof and airtight enclosure.
7. Standard Sizes: Common dimensions (e.g., 2.0m x 1.0m, 2.1m x 1.05m), available in various module sizes for flexible system design.
8. Connections: Standardized 3/4" BSPP or 1" NPT female ports (copper or stainless steel).
Model | BTE-2.0 | BTE-2.5 | |
Dimensions (L x W x H mm) | 2000x1000x80 | 2000x1250x80 | |
Overall Area (m²) | 2.0 | 2.5 | |
Aperture Area (m²) | 1.87 | 2.34 | |
Rated Working Pressure (MPa) | 0.6 | ||
Interface Size | G3/4'' | ||
Maximum Working Temperature | 100°C | ||
Peak Efficiency | 0.78 | ||
Rated Efficiency① | 0.53 | ||
Rated power(W)② | 400W/m² | 80.4 | 104.5 |
700W/m² | 512.4 | 665.8 | |
1000W/m² | 991.1 | 1287.9 | |
①Rated Efficiency: Calculated using the collector's instantaneous efficiency equation under 1000W/m² irradiance and a 50°C temperature difference between the collector and ambient air5.
②Rated Power: Derived from the product of rated efficiency, aperture area, and irradiance (1000W/m²) under the same temperature difference condition.
Factory & Manufacturing Advantages:
✅ Advanced Testing Lab: In-house laboratory for performance testing (ISO 9806), durability testing (exposure, thermal cycling, pressure), and material analysis.
✅ Sustainable Manufacturing: Commitment to resource efficiency and responsible waste management.
✅ Scalable Capacity: Ability to meet large project demands and ensure reliable supply.
✅ Strong R&D: Continuous development of absorber coatings, insulation materials, and manufacturing processes for enhanced performance and cost reduction.
✅ Global Supply Chain: Efficient sourcing of high-quality raw materials ensuring product consistency.
✅ Customization Options: Ability to offer custom sizes, connection types, or frame finishes for specific project needs.
Production process:
Application Scenarios:
1. Domestic Hot Water (DHW): Primary application - supplying hot water for single-family homes, apartments, villas.
2. Commercial Hot Water: Hotels, hospitals, gyms, swimming pools, laundries, restaurants.
3. Space Heating Support: Pre-heating water for radiators or underfloor heating systems (combi-systems).
4. Industrial Process Heat: Low-to-medium temperature pre-heating for various industrial processes.
5. Swimming Pool Heating: Direct or indirect heating of swimming pools (often using unglazed variants, but glazed can extend season).
6. Solar Cooling: Driving absorption chillers (requires higher temperatures, often combined with other tech).
Honor Certification:
1. Rigorous Quality Control: In-process checks and final testing (pressure, thermal performance, visual inspection) per ISO 9001 standards.
2. Certifications: Compliant with major international standards (ISO 9806, SRCC, Solar Keymark, CE Marking).
Commitment to Sustainability: A Global Expert in Clean Heating
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