الوصف
If you only need the glass tube, we offer you high-performance tubes as a spare part: .
Our tubes are hailproof and can easily withstand diameters of up to 2.5 cm. .
We only use high-quality materials, which guarantees an exceptionally long service life. .
Thanks to the efficient design, you can heat water quickly. Warm water is available to you after just 3-4 hours of exposure to sunlight.
Technical data:
. Outer tube diameter 58 mm . Outer tube thickness 1800 mm
. Inner tube diameter 47 mm . Inner tube thickness 1.6 mm
. Length 1.8 m
. Brosolicate glass 3.3
. Absorbance ≥ 0.94
. Emission ratio ≤ 0.06
. Solar transmission rate ≥ 92%
. Max. temperature 300 C
. Coating ALN/AIN-SS/Cu (aluminum nitride, AIN-SS, copper), Service life 15 (yrs).