Orkli SPT 1-160, Техническое руководство

Страница: 9 / 32

9
The company preserves the right to change all specifications of the products and their accessories without prior notice
SOLAR WATER HEATERS
COLLECTOR SPECIFICATIONS
Solar Keymark
Certified
1. External one piece aluminium trough of high aesthetics, shaped by deep drawing method in 400 tn capacity
press, made of naval aluminium alloy, rich in magnesium. Robust construction for perfect tightness.
2. High density, eco-friendly thermal insulation achieved with a 60mm thick layer of prepressed rockwool with
a covering of black glass fabric for the minimization of thermal losses.
Rockwool insulation thermal conductivity: λ=0.035 W/m grd (DIN 56612, measured at 0°C)
3. Water frame of copper pipes of suitable gauge and thickness (headers: Ø22, manifolds: Ø8) Headers are
punched with upper expansion , for perfect manifolds fitting, thus avoiding pressure drop in the collectors.
(tube pitch) = 93mm (EN 1652).
4. Sun-Selective complete area absorber made of selective aluminium sheet with a special titan coating formed
in vacuum,of high absorbency and low radiation, covers the complete window area as well as the headers, thus
increasing the collector’s absorbency, Laser Welded to the water frame.
5. Special plastic parts for supporting and sealing the water frame to the trough, specially designed for the
collector’s ventilation , with sensor supporting option.
Special silicone rubber seals allow fluctuation of the absorber’s length (contraction - expansion) in a -40°C
to +200°C temperature range.
6. Tempered solar glass low iron , with a stable coefficient of expansion and high light transmittance, can withstand
adverse weather conditions (e.g. hail storm, extreme temperature changes, etc.).
7. Solar glass rubber seal: UV proofed
8. Aluminium profile electrostatically painted (Al Mg Si 05): for solar glass seating and supporting.