Detailed Product Description

Key Specifications/Special Features:

  Outer tank diameter: 420mm (tube:47mm * 1500mm) / 460mm (tube:58mm * 1800mm) / 480mm (tube:58mm * 2000mm)

  Outer tank material: PVDF/colorful plate steel

  Inner tank diameter: 310mm (47mm * 1500mm) /360mm (tube:58mm* 1800mm)

  Inner tank material and thickness: stainless steel 304 and 0.4mm thick

  Support stand: galvanized steel/aluminum alloy

  Insulation: 55mm (tube:47mm * 1500mm) / 50mm (58mm*1800mm) / 60mm (tube:58mm * 2000mm) polyurethane foam

  Interval: 7cm  (tube:47mm * 1500mm)/8cm (58mm*1800mm)/9.5cm  (tube:58mm * 2000mm)

  Number of vaccum tubes: 15 to 36

  Specification of tubes:

    Structure: all glass concentric dual tube structure

    Glass material: borosilicate glass

    Outer tube diameter and thickness: 58 ±0.7/1.6mm

    Inner tube diameter and thickness: 47 ±0.7/1.6mm

    Length of tube: 1,800 (±5mm);

    Construction: graded AL-N/AL selective absorbing coating

    Heat-absorbing rate: greater than 92%

    Emission of heat: less than 8% (80)

    Vacuum degree: P<5 x 10 to 3mPa

    Solar radiance exposure: ≤2.8MJ/m2

Calories absorption: 9.1MJ/m2 .