Jyothi solar equipments pvt. Ltd. Technical specifications Technical specifications for flat plate collector- 1. Absorber sheet : copper 34 swg thick selectively coated 2. Riser : copper 12.7 ° ¦ 0.5mm 24 swg 3. Header : copper 25.4 ° ¦ 0.5mm 22 swg 4. Bonding between riser : brazing & header 5. Bonding between riser : high temperature soldering / ultrasonic welding & absorber sheet 6. Absorber coating : selective coating of abosorbity > 0.92emmissivity < 0.20 7. Front glazing : toughened glass 4mm thick 8. Gasket : neophrene / epdm 9. Back / side insulation : rockwool / puf 10. Collector box : aluminium [solar section] 11. Collector stands : m.S. (mild steel) 12. Storage tank : stainless steel [s.S.304] 13. Insulation : rockwool (puf) 14. Outer cladding : aluminium / stainless steel [s.S.304] Solar water heater is based on the principle of black body absorption and thermosyphon principle. Overhead tank minimum height Technical specifications for evacuated tube collector- Technical details : 1. Tube material : special borosilicate glass 2. Outer tube diameter : 47 mm 3. Inner tube diameter : 37 mm with selective absorption coating layer 4. Storage tank : ss stainless steel 5. Outer clading : ss / al / pc 6. Support structure : m. S. Powder coated 7. Insulation material : puf 8. Tube length : 1500 mm 9. Temperature range : 50 to 800c 10. Warranty : 1 year except on glass 11. Domestic system : 6 ft. From bottom of tank 12. Industrial system : 3-4 mtrs. From bottom of tank 13. Required area : 2.5sq. Mtrs. Per 100lpd Technical specifications Benefits Standard