Super All-glass Evacuated Solar Collector Tubes

Solar collector tube introduction

Feature:

1 Quality warranty :15 years

2. Quickly thermal collecting efficiency.

3. It works fine under cold weather and area.

Three kind of solar collector:

1.Common :evacuated collector tubes.

2. High-efficiency: Three-target evacuated collector tubes: blue and black-golden

3. High-efficiency: Three-target evacuated collector tubes: purple-golden (purple and golden)

Solar evacuated collector tubes technical data:

Dimension

Φ47

Φ58

Material of tubes

3.3 high borosilicate

3.3 high borosilicate

Glass expansion ratio

3.3±0.1X10-6 k-1

3.3±0.1X10-6 k-1

Outer diameter of tubes

Φ47±0.7

Φ58±0.7

Inner diameter of tubes

Φ37±0.7

Φ47±0.7

Thickness of glass

1.6±0.15

1.6±0.15

Transmittance

≥0.89

≥0.89

Selective coating

SS-CU-AL-N/AL

SS-CU-AL-N/AL

Adsorptivity

≥0.86(AM1.5)

≥0.86(AM1.5)

Emissivity

≤0.080(80±5)

≤0.080(80±5)

Vacuum degree

≤5.0 X 10-3Pa

≤5.0 X 10-3Pa

Collecting performance under sunshine

≥190ãÂÂÂÂÂÂŽ¡/kw

≥190ãÂÂÂÂÂÂŽ¡/kw

Hailstone resistance

25mm

25mm

Start up fast and collect solar energy fully

Unique super pure copper surface,allowing lower reflection and minimal heat loss.

High level vacuum ensure operation under cold weather.

Long time warranty to 15 years

Price: Common tube: At USD1.98/pcs FOB Shanghai  port,China

     High efficiency tube: At USD2.28/pcs FOB Shanghai  port,China

Suzhou Aoteng Import & Export Co., Ltd was. was established in1999,located in,Suzhou city,Anhui,China,which is a wooden-based city.Our company has 300 acreages,10 production lines,nearly500 employees,including40 experienced engineering technicians.In equipment,we have advanced drying machine and double surface thick-fixed sanding machine.Okoume plywood,bintangor plywood,birch plywood,poplar plywood,commercial plywood,fancy plywood,film faced plywood and blockboard are our main products.Most of them are exported to Korea,Japan,Americas and other oversea markets.So far we have established business relations with more than 10 countries.Our products are excellent in quality and reasonable in price."Quality first,Service best"are our principle.Our general manager and all the employees welcome old and new customers to cooperate.We are looking forward to your coming.. A strict quality control system and friendly customer service have brought our company a good international reputation. Our products have been exported to many countries and regions all over the world, such as America, Europe, Japan, south Korea, India, south Asia, the Middle East and so on. If any of our products meet your interest, please feel free to contact us. We are looking forward to establishing business relationships with clients around the world.