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Haining Chaoda Solar Collector Tubes Co., Ltd.

#196-1 Lian Hong Road, Yuan Hua Industrial Zone, Haining City, Zhe Jiang Province, China.,Jiaxing,Zhejiang,China

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CHAODA Solar Vacuum Tube for Solar Water Heater



1.46 ~ 1.95 / Piece ( Negotiable ) Get Latest Price

Haining City

1.46 per Piece

1000 Piece

If LCL/sample order, in order to avoid be broken in shipping, we will pack the tubes with wood box.

within 3 days for sample order; within 12 days for

10000 Piece per Day

T/T, L/C, Western Union

Solar Vacuum Tube

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Product Specification

Brand Name : Sun Island Type : -
Solar Water Heater Part : Solar Vacuum Tube Manufacturer : Chaoda Solar Size : 58mm*1800mm

Product Description

CHAODA Solar Vacuum Tube for Solar Water Heater

Material: high borosilicate 3.3 glass.
Structure: all-glass double-tube co-axial structure.
Color: blue or purple golden.
Size: 47mm×1500mm, 47mm×1800mm; 58mm×1500mm, 58mm×1800mm, 58mm×2000mm; 70mm×2000mm, 70mm×2100mm.
Thickness: 1.6mm/2.0mm.
Warranty: 15 years.
High absorptance: 93%~96%(AM1.5).
Low emittance: 0.04~0.06(80°C±5°C).
PRODUCT STRUCTURE                                              
Inner tube
Outer tube
Selective coating
WORKING PRINCIPLE                                               
Solar Vacuum Tubes are the absorber of the solar water heater.
They absorb solar energy converting it into heat energy for use in water heating.
The hot water rise to water tank and the cool water fall to the bottom of the vacuum tube.
As the gravity theory, the hot water and cool water are continuously circulation in the vacuum tube and water tank.
Name CHAODA Three-target all-glass vacuum tube
Structure All-glass double-tube co-axial structure
Glass material High borosilicate glass 3.3
External Pipe Diameter & Thickness =47±0.7mm&=1.6mm,
=70±0.7mm &=2.0mm, 
Internal Pipe Diameter & Thickness =37±0.7mm &=1.6mm,   
=47±0.7mm &=1.6mm,
=58±0.7mm &=1.6mm,
Pipe Length 800mm, 1200mm, 1500mm, 1600mm, 1800mm,1900mm, 2000mm, 2100mm.
Coating layers Cu/SS-ALN (H)/SS-ALN (L)/ALN
Coating method Three target magnetron sputtering plation
Thickness 1.6mm/2.0mm/2.2mm
Specific absorption as=0.93~0.96(AM1.5)
Emission ratio Σh=0.04~0.06(80°C±5°C)
Vacuum tightness P≤5.0×10-3Pa
Idle Sunning Property Parameters Y= 260 ~ 300m². °C/KW
Solar Radiation for Obtaining a Preset Water Temperature H≤3.7 MJ/ m²(47), H=2.9~3.2 MJ/ m²;
H≤4.7 MJ/ m²(58), H=3.7~4.2 MJ/ m².
Average Heat Loss Coefficient ULT=0.4~0.6W/ (m². °C)
Pressure-Endure Ability 0.6Mpa
Hail resistance 25mm/ 40mm
Lifetime 15 Years
Color blue or purple golden

TECHNOLOGICAL PROCESS                                         
1. Raw glass material
2. Outer tube——for one end, pull a tail pipe by high temperature——install getter.
3. Inner tube——for one end, form a round heater by the temperature——clean and stoving——coated
4. Assemble the inner tube and outer tube altogether.
5. Seal the inner tube and outer tube and anneal/bake out
6. Exhaust and vacuumed
7. Baking away to form a mirror plane/face
8. Packaging
AUTHENTICATION CERTIFICATES                                    
PRINCIPLE MARKET                                                
Popular country: Europe, USA, Canada,Mexico, India, Pakistan, Egypt, United Arab Emirates,South Africa, Brazil, the Mid East, Africa and Mid-South America, and etc.
PRODUCT APPLICATIONS                                            
1. Solar water heater.
2. Solar engineering system.
3. Solar air collector.
PACKING & CARTON DETAILS                 
Export standard carton, with safety foam in every carton.
58/1800mm tube: 10pcs/box, 15pcs/box.
47/1500mm tube: 15pcs/box, 20pcs/box, 24pcs/box.

Payment: For LCL/Sample order, the wooden box fee and inland transportation fee will charge for extra, we accept 100% T/T in advance;
For FCL order, we accept 30% T/T in advance, 70% balance is upon the copy of B/L.
Warranty: 15 years for the vacuum tubes; for solar glass vacuum tube, we will send 1% of all tubes as compensation for free.
Delivery time:within 3 days for sample order; within 12 days for standard container, within 15 days for OEM order;
Packing details:
If LCL/sample order, in order to avoid be broken in shipping, we will pack the tubes with wood box.
FCL Order: export standard carton, five layers hard paper carton with safety foam in every carton.
CONTACT US                                                       
If you are interested in our Products, welcome to contact us!

Contact Us

Contact Person : Michael

Company:Haining Chaoda Solar Collector Tubes Co., Ltd.

Address:#196-1 Lian Hong Road, Yuan Hua Industrial Zone, Haining City, Zhe Jiang Province, China., Jiaxing, Zhejiang, China,


Michael < Haining Chaoda Solar Collector Tubes Co., Ltd. >
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