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✅ Proven Reliability & Long Lifespan: Simple, robust design ensures minimal maintenance and reliable operation for 20+ years.
Solar Thermal Panel System
Key Advantages:
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:
Headline: Harness Solar Energy Reliably & Cost-Effectively for Hot Water & Heating.
Our Flat Plate Solar Collectors are engineered for maximum solar thermal energy absorption and conversion. Designed for durability and simplicity, they efficiently capture sunlight to heat water or heat transfer fluid for a wide range of residential, commercial, and industrial applications. Built with robust materials and advanced technology, they offer a proven, sustainable solution for reducing energy costs and carbon footprint.
Technical Features & Specifications:
✅ Absorber Plate: High-purity copper or aluminum fins for optimal heat conduction. Laser welding or ultrasonic bonding to riser tubes for superior thermal transfer and longevity.
✅ Selective Absorber Coating: Blue film coating: Solar absorptance α = 95% ±2% (@AM1.5); emissivity as low as 5% ±2% (@80°C). Excellent durability and temperature stability.
✅ Glazing: Tempered, low-iron solar safety glass. High transmittance (> 91%) for maximum solar gain.
✅ Insulation: High-density mineral wool (rock wool) or polyurethane foam. Thick back and side insulation minimizes heat loss (U-value).
✅ Frame & Housing: Anodized aluminum frame (corrosion-resistant, lightweight, strong). Weatherproof aluminum or galvanized steel housing.
✅ Sealing: High-temperature EPDM or silicone gaskets ensure long-term weather tightness.
✅ Connections: Standard threaded connections (e.g., 3/4" or 1" BSP/NPT) for easy plumbing integration.
✅ Performance: Certified efficiency ratings (Solar Keymark, EN 12975).
He Flat Plate Solar Collectors series includes two main models—BTE-2.0 and BTE-2.5—designed to meet diverse energy demands:
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.
Our Factory Advantages:
✅ State-of-the-Art Manufacturing: Advanced automated production lines ensure precision, consistency, and high output.
✅ Strict Quality Control: Rigorous in-process and final testing at every stage (materials, welding, pressure, thermal performance).
✅ Vertical Integration: Control over key component production (absorber coating, frame fabrication) ensures quality and supply chain stability.
✅ Advanced R&D: Dedicated engineering team continuously optimizing designs, coatings, and manufacturing processes for higher efficiency and durability.
✅ Certifications & Compliance: Production adheres to international standards (ISO 9001, ISO 14001). Products certified by leading bodies (Solar Keymark, SRCC, CE Mark).
✅ Customization Capabilities: Ability to tailor collector size, connection types, and absorber coatings to meet specific project requirements.
✅ Competitive Pricing & Scalability: Efficient manufacturing allows for cost-competitive pricing without compromising quality. Scalable production to meet large project demands.
✅ Global Export Experience: Proven track record of supplying high-quality collectors worldwide with reliable logistics support.
✅ Sustainability Commitment: Environmentally conscious manufacturing practices and promotion of renewable energy solutions.
Key Advantages:
✅ Cost-Effectiveness: Lower initial investment and maintenance costs compared to many other solar thermal technologies. Excellent return on investment (ROI).
✅ High Efficiency in Diverse Conditions: Optimized absorber coatings and design deliver strong performance even in diffuse sunlight (cloudy days) and colder climates.
✅ Low Maintenance: No moving parts (except optional pump in active systems) and durable construction minimize upkeep requirements.
✅ Versatility: Suitable for a wide range of temperatures (up to 80-100°C / 176-212°F) and applications – from domestic hot water to space heating and industrial pre-heating.
✅ Ease of Integration: Compatible with standard hydronic (liquid-based) heating systems and relatively straightforward to install on various roof types or ground mounts.
✅ Sustainability: Significantly reduces reliance on fossil fuels, lowering CO2 emissions and energy bills.
✅ All-Weather Construction: Sealed design protects internal components from rain, snow, dust, and humidity.
Typical Applications:
✅ Residential: Domestic Hot Water (DHW) heating for homes, apartments, villas.
✅ Commercial: Hot water for hotels, hospitals, schools, gyms, swimming pools, laundries, restaurants.
✅ Space Heating Support: Pre-heating for radiant floor heating, fan coils, or combi-systems.
✅ Industrial Process Heat: Low-to-medium temperature pre-heating for processes (e.g., food & beverage, textiles, cleaning).
✅ Agricultural: Water heating for dairy farms, greenhouses, animal husbandry.
✅ Solar Cooling: Driving absorption chillers (requires higher temperatures achievable by some FPCs).
Honors and Qualifications:
Our factory and showroom:
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