Borosilicate 3.3 vacuum tube and heat pipe,solar collector

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Price:$1.91 - $2.00
Price in USD:Details


Product Overview


Products Description

Flow type
Heat pipe
Heat pipe material
T2 copper
Heat pipe size
Top: Ø14* 1mm; Body: Ø8* 0.7mm
Tube diameter
Solar vacuum glass tube
High boron-silicon
Coating of absorber on glass tube
Al-N-Al,Copper,Stainless steel
fins around heat pipe
single long Aluminum(1.68m)
Manifold pipe material
TP2 copper (Ø35x0.8mm)
Manifold casing material
Aluminum alloy (2.0mm)
Insulation material in manifold casing
Glass fiber
Thickness of insulation(mm)
Density of insulation (kg/m3)
Frame material
Aluminum alloy frame (1.5mm)
Sealing Materials

Customized specifications are welcome!

Details Images

Three target solar vacuum tube has advantages of super absorbance, low heat loss .quick temperature rising and reliable quality.Three target solar vacuum tube solar collector has property and special feature As following:

1. All-glass double-tube co-axial structure, high borosilicate 3.3 glass ;.

2. Transmission ratio of the outer glass tube is high efficient;

3. Structure: cu/ss-aln(h)/ss-aln(l)/aln.

4. Sediment method: 3 target magnertron sputtering plating ;.

Comparing to al-n-al vacuum tube, it has advantages in cold area as following:.

A. Absorbance: 12% higher.

B. Emission ration: 30-49% lower.


We use thickened foam to prevent breakage.

Professional loading, ensure the safety of goods.

Company Profile

Zhejiang Younn New Energy Co., Ltd. is a large-scale enterprise integrating the research and development, production and sales of solar thermal energy. The company has the most advanced and complete solar energy industry chain in China.

Younn has received strong supports from government agencies and people from all walks of life since establishment.

Our company has advanced production equipment and quality inspection equipment, workers proficient in operation, highly skilled technicians, and experienced executives in the solar industry for more than a decade.

Zhejiang Younn New Energy Co., Ltd. has a standardized production workshop, advanced technology equipment, and the annual productivity up to 500,000 units. The company has 30 automatic computer digital shears, 50 computer automatic digital punches, 20 computer automatic argon arc welding machines, 20 straight seam welding machines, 8 automatic high-pressure foaming lines, 6 drying and cover film lines and twenty high-temperature aging chambers. The company has newly introduced 5 fully automatic CNC tower punches, which greatly increase production efficiency.


Our Advantages


Short delivery time within 2 weeks.


All products tested 3 times before delivery and can offer 5 years warranty.

BTE has CE,CCC, Solar KeyMark and ISO9001 certification. Ranked the TOP 3 in the solar thermal world.

We can accept OEM & ODM orders. Solar Collectors have high efficiency and long working life.

Our Services

Pre-sale Service
1. We have full stock,and can deliver within short time.Many styles for you to choose.
2. OEM and ODM order are accepted, Any kind of logo printing or design are available.
3. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you
4. All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
5. We have rich experience of design, manufacture and sell solar water heater, we cherish every order from our honor.

After-sale service
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.


1. Packing: We use thickened foam to prevent breakage.
2. Shipping:10 days for 40HQ container.
3. MOQ: 1*40HQ container.
4. Warranty: 10 years guarantee for whole set solar water heater
5. Port of departure: Shanghai or Ningbo
6. Supply ability: 5000 sets per month time : more than 20 years

0.0126 s.