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Keymark solar collector
1. Vacuum tube material: Borosilicate glass 3.3; AL-N-AL absorb coating 2. Manifold casing material: Aluminum alloy 3. Frame material: Stainless steel 4. Header pipe material: Copper 5. Heat pipe material: Copper 6. Insulation: Rock wool 7. Seal material: Stabilized High Temperature Silicon
THE PRINCIPLE1)Solar radiation is absorbed by the solar tubes and converted into heat. 2)Heat pipes conduct the heat from within the solar tube up to the header pipe. 3)Water is circulatedthrough the header, via intermittent pump cycling. Each time the water circulates through the header, the temperatures is raised by 5-10oC.
THE FEATURES 1. The water is heated by the heat pipe rapidly. 2. There is no water in the vacuum tube, so the tube will not break in the winter. 3. It can be combined with the architecture perfectly. 4. It can be combined with existing pipeline. 5. It will be affected by the local water quality, it doesn't suit hard water. 6. It can be still operate in the event of occasional tube breakages. 7. The perfect solar collector for domestic solar water heater systems; 8. Ideal for commercial solar water heating applications. 9. Storage do not need be installed above the collector. 10. Low maintenance effort. 11. It can be installed both on pitched roof and flat roof.
Keymark solar collector