Evacuated Tube Collectors (ETC) based Solar Water Heaters Evacuated Tube Collector is made of double layer borosilicate glass tubes evacuated for providing insulation. The outer wall of the inner tube is coated with selective absorbing material. This helps absorption of solar radiation and transfers the heat to the water which flows through the inner tube.
| CAPACITY | No. of Tubes 47 mm/1800 | No. of Tubes 58 mm/1800 |
|---|---|---|
| 100 LPD | 12 | 10 |
| 125 LPD | 15 | --- |
| 150 LPD | 18 | 15 |
| 200 LPD | 24 | 20 |
| 250 LPD | 28 | 24 |
| 300 LPD | 35 | 30 |
| 500 LPD | 55 | 50 |
1800 / 58 & 47 ETC Solar water Heater Systems Technical Specifications:
- Vacuum Tube outer diameter: 47 mm.
- Vacuum Tube inner diameter: 37 mm.
- Vacuum Tube outer diameter: 58 mm.
- Vacuum Tube inner diameter: 47 mm
- Tube Length : 1800 mm
- Outer tank Diameter : 480 mm.
- Inner tank Diameter : 380 mm.
- Tank Volume : 100 liters to 500 liters
- Temperature : 65 degree C to 85 degree C.
- Tank Insulation : PUF 50mm (Polyurethane foaming)
- Stand frame : Galvanized Powder coated
- Inner Tank Material : Stainless Steel grade 0.5 mm
- Outer Tank Material : galvanized Powder coated
- Method of Welding : Seam less and Non welding Technology.
- Type of Fasteners : Stainless Steel / galvanized
- Type of Grommets : Silicon rubbers.
- Type of Circulation : Thermosyphon
- Electrical Back Up : 2KW or 3KW each (optional)
- Type of inlet feeding : Using gravity feeding tank for non-pressure, low mixing of hot and cold water, and long life of inner tank
No of tubes for various capacities is as under:
- Assistant tank Free with each system
- Guarantee 5 years for storage tank.
- Electrical Back up coil optional.