Flat Plate Collector |
| Absorber material |
Copper 0.12 MM>99.99% Birla copper |
| Absorber coating |
Black chrome selective coating NALSUN technology it is internationally acknowledged to the best
Absorptive > 0.96 Emissivity < 0.20 |
| Riser |
Copper tube of dia 12.5mm, Thickness 0.56mm99.99% purity Birla copper |
| Header |
Copper tube of dia 25.4mm, Thickness 0.71mm 99.99% purity Birla copper |
| No.of Copper Pins |
9 Pins |
| HOSE Pipe |
HYDROLIC HOSE Pipe with CHECK-NUT |
| Bonding between Riser&Header |
Silver Brazing |
| Bonding between Fin & Tube |
Ultrasonic Welding / laser beam welding |
| End Connection |
63 dia brass flanges (4mm thickness) |
| Collector box |
100mm x 25mm Jindal Aluminium Anodized
Channel with pure polyester MRF coating |
| Collector Bottom Sheet |
Aluminum 0.46 mm (22 SWG) Jindal |
| Back Insulation |
Rockwool 48Kgs/Cu m. R value = 1.82 m2K/watt |
| Side Insulation |
;25 mm thick Rockwool R value = 1.67 m2C/W |
| Glazing |
Toughened glass, 4mm thickness. (Saint Gobain)
Transmissivity 88.8% at near normal incidence. |
| Glazing Retainer |
Unique proprietary Aluminium Retainer of 1.6 mm Thickness |
| Glass Beading, Gasket |
EPD Grommets |
| Preassurised Kit |
1 no P R Valve |
Storage Tank |
| Inner Tank Material |
3mm CRCA Grade PE Silica Coated Tank / 3mm thick ISI 304 Salem Stainless Steel. Seam welded / TIG welded |
| Outer tank |
Salem Stainless Steel / GI Precoated Sheets |
| Stand Support |
Mild Steel Channel Section with coating |
| Tank Insulation |
ECO-PUF with 50mm Thickness |
| Pressure Withstand |
Upto 8kg/cm3 |