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Mega collector

The MEGA collector is a large collector, specially developed for solar thermal local and district heating applications, as well as process heating systems. The large collector diameter of D = 64 mm enables large collector areas with minimal piping. By interconnecting collector segments, a collector with up to 250 m² can be realized without additional piping at a pressure drop of 1 bar. The physically switching off heat pipes prevent overheating, steam formation and the resulting cavitation impacts. The MEGA collector can be equipped with 3 different tubes.


the advantages of the Mega collector

With the MEGA collector, which has a DN 65 collector tube, a collector with up to 500 m² collector surface, can be connected to a line cable. The previously necessary small-scale division with elaborate pipe connections is omitted. The MEGA collector uses tubes of the Heat Pipe design. These tubes are physically limited to 120°C by default and can neither overheat nor produce unwanted vapor when properly pressurized. Cavitation impacts are excluded by this technology. The cut-off temperature of the tubes can be set between 120 ° C - 160 ° C according to customer requirements.

  • Large collector areas without additional piping, low costs and high yield

  • Pre-assembled collector elements that are connected to a large collector with quick-release couplings

  • Overheating protection, no steam formation even without heat loss, smaller expansion vessels and system protection, low temperature loads

  • Flat absorber coated on both sides to absorb direct and reflected radiation

  • Tube rotated through 360° for re-adjustment from a non-100% southern orientation

  • Robust glass-metal connection for permanent maintenance of the high vacuum in the tube

  • Nano-coating on each tube for maximum transmission

  • Tinox coated absorber and pipe system in vacuum no material aging or loss of performance

  • High hail resistance (HW)

  • Dry integration of the tube into the collector, making it changeable in operation


  • technical data collector segment

    • Gross area:

      12,99 m²

    • Absorber area:

      12,86 m²

    • Aperture area:

      11,60 m²

    • Power per segment:

      8,2 KW

    • Cut-off temperature tube:

      120°C – 160°C

    • Frame dimensions:

      L 2184 x B 5950 x H 212 mm

    • Weight:

      368 kg

    • Number of tubes:

      78

    • Tubes hailstorm tested after:

      DIN EN 12975-2:2006

    • Connection:

      Dry

    • Collection tube dimension:

      68 x 2 mm

    • Minimum flow:

      600 l/h

    • Insulation:

      Sandwich insulation consisting of

    • External insulation:

      Polyurethan rigid foam (PUR/PIR) laminated with aluminum foil on both sides; thermal conductivity 0,021 – 0,024

    • Internal insulation:

      High-temperature rigid foam (B2 HT 40); thermal conductivity 0,023 – 0,026

    • Solar Keymark:

      011-7S2827 R


Contact us directly for our MEGA-collector



+49 3331 25 716 30


sales@akotec.eu

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Gefördert durch das Ministerium für Wirtschaft, Arbeit und Energie aus Mitteln des Europäisches Sozialfonds und des Landes Brandenburg.

Funded by the Ministry for Economic Affairs, Labor and Energy with funds from the European Social Fund and the State of Brandenburg.

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  • AKOTEC Produktionsgesellschaft mbH
  • Grundmühlenweg 3
  • 16278 Angermünde
  • Germany
  • T: +49 3331 25 716 30
  • F: +49 3331 25 59 996
  • E: info@akotec.eu

Gefördert durch das Ministerium für Wirtschaft, Arbeit und Energie aus Mitteln des Europäisches Sozialfonds und des Landes Brandenburg. Mehr erfahren

Funded by the Ministry for Economic Affairs, Labor and Energy with funds from the European Social Fund and the State of Brandenburg. Read more


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