Pressurized evacuated tube solar water heater

Compact pressurized Vacuum tube technical parameter

Material:

Tube glass: high quality borosilicate 3.3

Manifold: Aluminum Alloy

Insulation: Polyurethane foam/50 mm

Bracket: High quality Aluminum Alloy

Seal: silicon rubber

Tips:

1. The evacuated tube own to high thermal conversion, in spite of the low enviromental temperature.It will be affected by the local water quality.it do nott suit hard water

2. There is no water in the vacuum tube, so the tube will not break in winter with the higher efficiency

3. It can be combined with the architecture perfectly

4. It will be affected by the local water quality.it doesn't suit hard water

5. It can still work in event of occasional tube breakage

6. Low maintenance and repair requirments

Working principle:

The evacuated tubes (Vacuum tubes) are the key component of the tubes collectors. It is a product with improved geometry and performance and consists of two concentric glass tubes which are sealed in a semi-circular shape on one side and are joined to one another on the other side. The space between the tubes is evacuated and then hermetically sealed (evacuated insulation). To use solar energy, the internal glass tube is coated with an environmentally friendly, highly selective layer on the outside, thus turning it into an absorber. The coating is protected in the evacuated space. The aluminum nitride sputter coating used is characterized by an extremely low emission and a high absorption rate.