Three Target Vacuum Tube (Cu-SS-ALn coating)

INTRODUCTIONS                                                                                      

 

Solar vacuum tube has three membrane layers Cu- SS-AL. The surface color is purple golden or blue. The internal surface color is red. It has high efficiency heat. In the event of same capacity and sunshine, it can output more and hotter water than single target vacuum tube. The "three target" are high temperature resistance, high cold resistance and high heat efficiency (contrast to the single target vacuum tube ,its absorptivity has improved 5%~7%).

 

PRODUCT FEATURE                                                                                 

• All-glass double-tube co-axial structure, high borosilicate 3.3 glass
• Anti-high temperature and Anti-freeze vacuum tube.
• Transmission Ratio of the Outer Glass Tube
• Structure: Cu/SS-ALN(H)/SS-ALN(L)/ALN
• Sediment method: 3 target magnertron sputtering plating
• The vacuum tube can withstand 400 high temperature and 30 Celsius degree below zero.
• supply for balcony and roof
• High efficiency and good performance. The vacuum tube can heat up rapidly, and even work very well on cloudy days.
• Constant warm keeping. The air between inner tube and outer tube is evacuated, which enable the tube to preserve heat.
• Long lifespan. The warranty of tube is 8 years. 

PRODUCT STRUCTURE                                                                            

 

 

WORKING PRINCIPLE                                                                               

 

High Efficiency Solar Vacuum Tube consists of the inner and outer tubes, which are cut and coated on the condition of high temperature.

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.

 

 

TECHNICAL PARAMETERS & SPECIFICATIONS                                   

 

Name	CHAODA Three-target all-glass Solar vacuum tube
Structure	All-glass double-tube co-axial structure
Glass material	High borosilicate glass 3.3
External Pipe Diameter & Thickness	Ø=47±0.7mm&=1.6mm, Ø=58±0.7mm&=1.6mm, Ø=70±0.7mm &=2.0mm,
Internal Pipe Diameter & Thickness	Ø=37±0.7mm &=1.6mm,   Ø=47±0.7mm &=1.6mm, Ø=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(Ø47), H=2.9~3.2 MJ/ m²; H≤4.7 MJ/ m²(Ø58), 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	Ø25mm/ Ø40mm
Lifetime	15 Years
Color	blue or purple golden

 

TECHNOLOGICAL PROCESS                                                                   

 

 

AUTHENTICATION CERTIFICATES                                                          

 

 

PRODUCT DISPLAY                                                                                 

 

 

 ADVANTAGES                                                                                          

 

1. Excellent performance of absorbing, but low heat loss, Especially adapted to sever cold regions,(super heat preservation). With the help of DC magnetron sputtering technology, the absorptance of 0.94 - 0.96 and emittance of 0.04 - 0.06 has been achieved.  

2. Excellent resistance of burst. Improved molecule structure of plated selective coating makes the highest of vacuum tube working temperature as high as 300 centigrade degree, effectively preventing the coating from bursting, aging, discoloring, function attenuating because of long time burn under the sun, prolonging its life span to 15 years.

3. Excellent resistance of corrosion, long life span ( up to 15 years) Standard  

4. Reducing the fouling on the tube wall, keeping water clean.

5. The efficiency of a vacuum tube solar hot water heater is dependent upon a number of factors, one important one being the level of evacuated radiation (insolation) in your region.

 

PRINCIPLE MARKET                                                                                

 

Popular country: Europe, USA, Canada,Mexico, India, Pakistan, Egypt, United Arab Emirates,South Africa, Brazil, 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.

 

 

 

Remarks:

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: 8 years for 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                                                                                          

 

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