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Solar Manufacturing – Evacuated Tube Solar Collector Manufacturing

There are two different solar manufacturing procedures that take place during the evacuated tube solar collector manufacturing process.

First is the manufacturing of the actual glass evacuated tubes, and second is the manufacturing of the copper heat pipes, the manifolds, mounting frames and other balance of system components. This makes the solar manufacturing simple, but extensive.

The incredibly high performance and low cost of SunMaxx Evacuated Tube Solar Collectors is made possible by our commitment to R&D as well as our innovative developments in the manufacturing process.

The Evacuated Tube Solar Collector Manufacturing Process:

There are two tubes used in the production of a SunMaxx evacuated tube. Both tubes are made of Borosilicate Glass, which is extremely strong and durable.

The inner tube is 47mm in diameter and the outer tube is 58mm in diameter, allowing the inner tube to easily fit within it.
Borosilicate Glass is one of the strongest, most durable types of glass on the market, which makes it the ideal choice to build SunMaxx Evacuated Tubes to ensure that they are strong and durable enough to handle nearly every climate.

Using a special deposition process, the optical coatings are applied to the inner tube. The optical coating used by SunMaxx is a blend of aluminum, copper, steel and other materials.

The original selective absorber coating was developed in China, with the assistance of Chinese government funding.

Today, SunMaxx has a highly proprietary and secret selective absorber coating that has dramatically increased the efficiency, performance and cost of SunMaxx Evacuated Tube Solar Collectors over these first generation collectors.

First, the inner and outer tubes are sealed together at the top, creating a single tube with an inner and out wall.

At this point, there is a small hole in the bottom of the tube, where the getter will be added, and the space between the inner and out tubes will be turned into vacuum space.
A special machine is used to apply the getter, evacuated the tubes and seal the bottom end, completing the evacuated tube manufacturing process.

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P: 1.877.786.6299