فروش کلکتور های خورشیدی حرارتی SOLAR KEYMARK

FS-GV2.15, full-plate laser welding, blue sputtering selective coating, High efficiency solar collector, efficiency is 78.8%, higher than AET, Chromagen, Bosch. Approved by SRCC and Solar Keymark

1. Absorber plate coating:
Ultra selective sputtered coating from BLUETEC(GERMAN) with excellent energy sbsorption and very low energy essionsion;

2.Absorber plate:
Aluminium sheet is welded on copper tubes by laser welding machine, high efficiency and durability;

3. Glass glazing:
3.2mm low iron patterned tempered glasswith solar transmittance of 91%?And good durability and strength;

4. Insulation:
50mm fiber glass cotton on the bottem and 25mm rigid polyurethane foam on four sides

5. Pipe connection:
See: picture

6. Aluminum Foil:
Intergrated to the insulation, acts as a barrier against out-gassing

7. Casings
Aluminum all anodized alumium extrusion casings are made of solid construction available in natural or black color