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Evacuated Tubular Solar Collector

  • Company Name:APACK Inc.
  • Membership:Free member
  • Registration Date:2002. 07. 28
  • CountryRegion:Korea
  • City:Daejeon
  • Contact:Yunho Choe (Mr.)
  • Related Keywords:solapack
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Quick Information

  • Model Number :SP-10, SPD-16
  • Place of Origin :Korea


APACK succeeded in developing the products employing technologies to secure all the source technologies required for production, provides engineering for any adaptive areas, and guarantees a thorough after-sales services. APACK applies the technologies of vacuum and heat pipes to the products to reduce heat loss (e.g. conduction and convection) from the solar heat absorption plates by 95%, reduce about 30% the installation area. These high efficiency products are available for industrial process heating, as well as hot water Supply, and air conditioning (heating, cooling) in large buildings.

Core Technology

Glass/copper tube joining technology

  • Core technology for maintaining high vacuum level
  • First to be developed internally (third in the world)

Manifold heat-exchange technology

  • Employing pre-cast fins for enlarging the heat conductivity area
  • Dry connection heat-exchange mode for simple installation and maintenance, repair

Heat pipe technology

  • Employing heat pipes with excellent heat response and heat transportation
  • Evaporation allowed without external power, repeat condensation processes

Heat collector plate welding technology

  • Coating particulaly titanium with excellent absorption rate and lower emissions
  • Ultrasonic welding of heat pipes and heat collector plates

Schematic diagram Evacuated Tubular Solar System

Specification & Technology

Evacuated Tubular Solar Collector
Heat pipe mode
CPC Type
Solar collector tubes
10 tubes
16 tubes
Collector area(m2)
Dimensions(L x W x H mm)
2185 x 1165 x 162
1990 x 1516 x 134
Water Capacity(L)
Weight filled with water to top level(kg)
Water inlet of tube
Hot water outlet diameter
Water pressure inspection pressure(kg/cm2)
Absorber plate
Titanium-coated copper plate
Glass tube
Borosilicate glass
-outer diameter 102mm, hickness 2.5mm
Borosilicate glass
-Outer diameter 58mm, thickness 1.8mm
-Inlet diameter 47mm, thickness 1.6mm
Vacuum insulation
Urethane foam
Water inlet/hot water outlet

High Performance

  • Vacuum technology reduce thermal loss (e.g. conduction and convection) from the solar collector plates for a high-efficient performance, particularly heat collection efficiency in winter seasons
  • Heat pipes are applied for their fast thermal response and excellent heat transfer
  • Both directly reached and scattered solar radiations are effectively applied ideal for the climatic conditions of large scattered radiation
  • Suitable for industrial process, large-scale hot water supply, and air-conditioning (heating, cooling) in large buildings(80~150°C)
  • Easy maintenance (without moving part)
  • No restriction on the installation angle

Compant Size

  • Enhancing efficient use of space (engineering and installation)
  • Utilization of exterior factors of buildings

New & Renewable Energy Certification

  • Performance Certification : Korea Energy Management Corporation
  • Company Certification : Ministry of Commerce, Industry and Energy

New Technology

  • Patented technologies applied such as joining glass with copper tubing
  • Dry connection heat-exchange mode of heat pipes and manifolds (Efficient maintenance)

Easy Maintenance

  • Core technologies preserved for vacuum tube type solar collectors (prompt troubleshooting for any defects during operation)
  • Domestic manufacture of vacuum tube type solar collectors (easy maintenance and prompt supply of materials for after-sales services)
  • Remote system control and monitoring via the Internet (periodic preventive maintenance available)


  • Low temperature industrial processes (lower than 100°C)
    - Hot water for foodstuff container (bottles and cans) cleaning, dying process and concrete block curing
  • Medium temperature industrial processes (100-150°C)
    - Drying process in foodstuff process, textile manufacture, paper and pulp mills
  • Large-scale hot water supply and air-conditioning (heating, cooling) in large buildings
    - Public building and welfare facilities, apartment building and commercial buildings
  • Replacement of energy sources in rural areas
    - Greenhouses, fish-farm and sewage treatment plants

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  • Evacuated Tubular Solar Collector

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Evacuated Tubular Solar Collector

Evacuated Tubular Solar Collector

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