China all-glass vacuum solar collector tube 58/47 or 47/37

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FOB Price: US $1.98 - 2.28 / Piece Get Latest Price
Port: FOB Shanghai port,China
Minimum Order Quantity:
500 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Day
Payment Terms: L/C,T/T
[ Anhui, China (Mainland) ]
Business type: Trading Company
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Quick Details

Place of Origin: Anhui China (Mainland) Brand Name: Bell-glass Model Number: 58/47*1800
Type: Vacuum Solar Collector Application: Solar Thermal Pipe Material: Glass
Adopt 3.3 high borosilicate glass:
Product standard:GB/T17049-2005
Three high efficiency collector tubes:
Quality assurance:ISO9001:2000
OEM for famous brand abroad/China:
Main supplier for many solar collector
Special produce tube of solar collector:
Color:Blue,dark-blue,golden purple
all-glass evacuated solar collector tube:
all-glass coaxial double layers tube

Packaging & Delivery

Packaging Detail: 8-10pcs/Carton,2800pcs/20' container,packing carton size:1860*340*160mm
Delivery Detail: Within 8 days after receive T/T or L/C

Specifications

material: high borosilicate glass COE 3.3
58*47*1800mm
absorptance:0.94~0.96
emittance:0.04~0.06
for 15 years warranty

 

 

Our vacuum Solar collector tube can start up fast and collects solar energy fully, there is no need to wait and the water is available immediately, high level vacuum ensure operation under cold weather, and the unique super copper surface allowing lower reflection and minimal heat loss, the current products mainly include: diameter: 47/58mm, and the length is 1800mm, but we can also provide products as your request. Long time warranty for 15 years.

We are looking forward to establish business relationship with you!

Evacuated solar collector tubes introduction

We are a large enterprises specialized in the production of  high borosilicate glass tube,rod and 

solar energy vacuumed collecting-heat tubes. At present, our company has two set of high borosilicate whole electric  furnaces , 

ten solar energy vacuumed collecting-heat tubes full automatic production line. It can produce high borosilicate solar glass tube of 

20,800 tons ,glass rods of 20500MT and solar energy evacuated collecting-heat tubes 500 million pieces.

We had passed through the ISO9001:2000 international quality system authentication in 2009. 

Specialization ensure us super quality

Solar collector technology index

 

Index name

China national standards (GB/T 17049-2005)

Material

sun transmission ratio

 High borosilicate 3.3,transmission ratio r≥0.89(AM1.5 ISO9806-1:1994)

Section

1.5 mm the following section melanoma tumors 10mm x, namely, not dense 10mm range of not more than 2, the whole pipe, not more than 2.5 mm in the quarter of not more than five melanoma, more than 2.5 mm section of tumor doesn't allow exist.

 stones

The stones shall not 1mm below stone dense, namely 10mm x 10mm range of not more than 1, the whole pipe, not more than 5, the stones shall not be a crack around, more than 1mm stone does not allow exist.

Absorption 

α≥0.92(AM1.5)

Hemisphere

εh≤0.08(80°C±5°C)

Getter

 conform to 9505 GB/T

 

Empty bask in performance parameters

G≥800w/m2,Empty bask in performance parametersY=(ts- ta)/G,≥20m2 C/km

Frowsty bask irradiation amount

G≥800w/m2,47tube≤3.7MJ/m2   58tube≤4.7MJ/m2

Average heat loss coefficient

≤0.85w/(m2) °C

Resistance to thermal shock

 0 °C mixture of ice & water under 90 °C with no more than three times repeatedly alternately hot water impact without damage.

 

Resistance to pressure

should be able to withstand the pressure of 0.6 MPA

 

Mechanical impact resistance

 can bear the 30mm steel ball diameter, 450mm place free fall in height, vertical hit and no damage.

 

Vacuum perfo-rmance

Vaccum degree

≤5×10-2Pa

Vacuum quality

glass tube in 350 °C maintain within 48 hours; getter mirror axial length disappeared more than 50% does not rate

 

Apperance and size

 injured

cover glass tube surface stroke length is more than a slight scratches accumulative total length 1/3

 

Membrane layer

The selective absorption membrane layer coating can not have besmirch, peeling or fall off.

 

Obviously becomes shallow area

membrane layer color becomes shallow area should be no more than 50

 

Supporting

 supporting thing should not obvious place decently, don't angry, loosened.

 

Sealing mouth

sleek, no ankylosis, no glass accumulation, end face and inside, cover glass surface should be smooth and even thickness, no bell shape and obvious deformation.

 

length tolerance

length error shall not be more than nominal size L + length 0.5%

Bending degree acuities

≤0.2%

 Out of roundness

Analyse the largest and smallest size cross-sectional than no greater than 102

 

Sealing length

S≤13mm

 

 

 

Anhui Bell International Glass Technology & Trade Co., Ltd. (BG) was founded in 2002 and specializes in the production of high borosilicate glass (pyrex) tubes, rods, pipes, etc. Our factories are equipped with advanced all fused glass furnaces and we extensively adopt the platinum molding technology to ensure the superior quality of our products. Producing, processing and selling various kinds of glass, containing raw glass materials, solar products, glass crafts, pharmaceutical packing, glass ... View detail

Basic Information

Product/Service (We Sell): Glass Tubes  
Product/Service (We Buy): 3.3 high borosilicate glass tube,3.3 high borosilicate glass rod,all-glass evacuated solar collector tube,solar collector tubes58/47,borosilicate glass tube/rod  
Brands: Bell-glass  
Number of Employees: 201 - 300 People  

Trade & Market

Main Markets: North America
South America
Eastern Europe
Southeast Asia
Africa
Oceania
Mid East
Eastern Asia
Western Europe
Central America
Northern Europe
Southern Europe
South Asia
Total Annual Sales Volume: US$10 Million - US$50 Million  
Export Percentage: 41% - 50%  
Total Annual Purchase Volume: US$10 Million - US$50 Million  

Factory Information

Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 11 - 20 People  
Management Certification: ISO 9001:2000   ISO 9001:2008  

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FOB Price:
US $1.98 - 2.28 / Piece
Port: FOB Shanghai port,China
Min.Order: 500 Piece/Pieces
High efficiency all-glass evacuated solar collector tubes 58/47*1800mm
FOB Price:
US $1.98 - 2.28 / Piece
Port: FOB Shanghai port,China
Min.Order: 500 Piece/Pieces
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FOB Price:
US $1.98 - 2.28 / Piece
Port: FOB Shanghai port,China
Min.Order: 500 Piece/Pieces
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