Product Overview
The High-Efficiency Flat Plate Solar Collector is engineered for EPC-level centralized solar thermal systems requiring long-term stability, high efficiency, and scalable deployment in large collector fields.
It is widely used in district heating, commercial hot water supply, industrial process heating, hotels, hospitals, and agricultural facilities.
The product is developed based on engineering experience from solar thermal projects delivered in the Middle East, North Africa, Southern Europe, and Southeast Asia (2019–2025). Typical systems range from 300 m² to 5,000+ m² collector fields, operating under continuous industrial and commercial heat demand conditions.,
Key Features
- High-efficiency selective coating with verified solar absorptivity up to 96%
- Low-emissivity surface engineered to reduce long-wave radiation losses under high-temperature operation
- Designed in compliance with ISO 9806 and EN 12975 solar thermal performance standards
- Third-party testing available through TÜV Rheinland, SGS, or Intertek upon EPC project requirement
- Anodized aluminum frame structure designed for coastal, desert, and high-corrosion environments
- High-density polyurethane insulation system validated for long-term thermal retention stability
- Compatible with glycol-based antifreeze systems for stable operation down to -30°C
- Modular manifold architecture designed for hydraulic balancing in large-scale collector arrays
- Designed service life: 15–20 years under continuous industrial operation conditions
- Fully compatible with PLC automation systems, SCADA platforms, and energy monitoring infrastructure
Technical Parameters
|
Absorber Material |
Selective coated copper / aluminum fin |
|
Solar Absorptivity |
≥ 94%–96% |
|
Emissivity |
≤ 0.05 |
|
Optical Efficiency η₀ |
≥ 0.78 (tested according to ISO 9806 methodology) |
|
Heat Loss Coefficient |
≤ 3.5 W/m²·K |
|
Cover Glass |
3.2–4.0 mm low-iron tempered safety glass |
|
Frame Material |
Anodized aluminum alloy (marine-grade corrosion protection) |
|
Working Pressure |
0.6–1.0 MPa (project-specific customization available) |
|
Max Operating Temperature |
120°C |
|
Heat Transfer Medium |
Water / glycol solution |
|
Hydraulic Design |
Low-pressure-drop manifold system for uniform flow distribution |
|
Wind Load Resistance |
Up to 60 m/s |
|
Snow Load |
Up to 1.5 kN/m² |
|
Service Life |
15–20 years |
Engineering Application & Verification Structure
This collector is designed for centralized solar thermal systems where multiple units operate as a unified thermal energy field.
For EPC engineering validation, system-level documentation can be provided under confidentiality agreement, including thermal performance calculation reports, hydraulic simulation of large-scale collector fields, engineering layout drawings for EPC integration, and reference performance data from similar climate-zone installations (anonymized).
Typical applications include hotel hot water systems (200–800 rooms scale), industrial process heating systems, and district heating demonstration projects in international markets.
In large-scale collector field design, hydraulic balancing and flow uniformity are critical engineering factors affecting system efficiency, stagnation risk, and long-term thermal stability.
Manufacturing, Quality Assurance & Certification
Delantherma is a manufacturer of commercial solar thermal systems supplying global EPC contractors and renewable energy project developers.
Manufacturing and quality system includes ISO 9001 quality management system, full material traceability, absorber coating inspection, and pre-shipment pressure, leakage, and endurance testing.
Third-party inspection and certification such as CE marking verification and testing by TÜV Rheinland, SGS, or Intertek can be arranged upon project requirement.
Products are exported to Europe, Middle East, Africa, and Southeast Asia, supporting EPC supply chains and long-term distributor cooperation.
Commercial & Project Support
Engineering support is available for collector field layout design, project documentation under NDA, OEM/private label manufacturing, and EPC project cooperation.
Warranty terms and lead time are defined according to project scale and technical specifications.
FAQ
Q: Is this system suitable for EPC solar thermal projects?
A: Yes. It is designed for centralized EPC-level solar thermal infrastructure applications.
Q: Can engineering documentation be provided?
A: Yes. Technical drawings, thermal calculations, and hydraulic simulations are available under NDA.
Q: Are third-party certifications available?
A: Yes. TÜV Rheinland, SGS, or Intertek testing can be arranged depending on project requirements.
Q: What is the expected efficiency range?
A: System efficiency typically ranges from 55% to 75% depending on design and operating conditions.
Q: Can the system operate in cold regions?
A: Yes. Glycol antifreeze systems support operation down to -30°C.
Q: What is the warranty structure?
A: Standard warranty is available with optional extended terms for EPC projects.
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