COLLECTORS SPECIFICATION FOR FLAT PLATE COLLECTORS
|
Certification |
ISI Marked Solar Collectors CM/L – 7257375 |
| Overall Dimensions | 2030 x 1030 x 100 mm |
| Weight | 40 kgs |
| Collector Box | 16 swg, 2127 Aluminium extrusion with attractive ribbing design for frame and 26swg aluminium sheet for backing, totally riveted and sealed with GE/Wacker Silicon Sealant. |
| Absorber Material | Fin : 40 swg (0.12mm) x 115mm x 1900mm Copper Sheet 99.9% pure. |
| Tube:26 swg (0.56mm) x 12.7mm O.D x 1922mm copper 99.9% pure. | |
| Absorber Coating | Black Chrome Selective Coating as per the NALSUN process. |
| Absorber Area | 2 m2 |
|
Absorptivity of Coating |
Above 0.95 |
| Emmissivity of Coating
|
below 0.20
|
| Headers | 2 Nos. Copper tubes, 26 swg (0.45mm) x 25mm O.D. X 1120mm. |
|
Insulation |
Rock wool slab of 50mm thickness and 48kg/m3 density for bottom and Glass wool of 25mm thickness and 24 kg/m3 density for sides Covered with 36 swg |
| Aluminium Sheet for protection and support. | |
| Reflective foil | Aluminium foil of 50 microns |
| Glazing | 4mm Solar Toughened Glass having transitivity of 89% and above. |
| Rubbers | EPDM Grommets and Glass bidding to withstand temperature and outdoor conditions. |
| Sealing | Completely sealed with silicon sealant for waterproof performance as per BIS specs. |
| Pressure Testing | Tested hydraulically up to 5 kg/sq.cm. for 4 hrs for no leakages. |
| Warranty | 5 years trouble free performance (for soft water conditions only) |