Top Quality Solar Vacuum Tubes Evacuated Tubes for Sale 2014

2013-10-25 10:56:46.0 By: GMC

Tag:
Solar Tube ,
Solar Vacuum Tubes ,
Solar Vacuum Tubes for Sale
Solar vacuum tube, solar water heater vacuum tube is the core of the solar water heater elements, known as the "heart" of the solar water heater, vacuum tube¡¯s quality directly affects the service life of the solar water heater and performance. The rapid development of the solar industry has driven the development of the vacuum tube enterprises.

Solar vacuum tubeVacuum tube is the core of the solar water heater, it likes a long warm inside, between its inner and outer layer is an empty space. On the surface of the glass tube, for maximizing the absorption of solar radiation, there is a spectral selective absorbing coating with special technology. The sunlight, photon hits coating, solar energy is converted into heat energy, water from the heat outside coating, water temperature increases, density decreases, and hot water upward movement, but lower than the significant cold water. Hot water is always located in the upper, the water tank. Solar water heater in the hot water heating temperature has little to do with the outside world, mainly depends on the light. When open a faucet in the kitchen or bathroom, hot water flowed on natural gap, the pressure is depending on the fall.



 

Solar vacuum tubes

 

Solar vacuum tubes

Changzhou Sunfield Solar Energy Technology Co., Ltd.

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Evacuated Glass Tubes
Applications: Vacuum tubes are used for solar water heaters and solar collectors.
Structure: All-glass concentric dual tube geometer
Glass material: Borosilicate glass
Outer tube diameter and thickness
Φ=47±0.7mm & =1.5mm
Φ=58±0.7mm & =2mm
Φ=70±0.7mm & =2mm
Inter tube diameter and thickness
Φ=37±0.7mm & =1.5mm
Φ=47±0.7mm & =1.6mm
Φ=58±0.7mm & =1.6mm
Tube Length:
1200(±5mm) 1500(±5mm)1700-1800(±5mm)
2000(±5mm)
Absorbing/Coating/Properties:
Configuration:
1200(±5mm) 1500(±5mm)
1700-1800(±5mm)
2000(±5mm)
Method to deposition: Graded A1-N/A1 solar selective absorbing coating
Absorptance: As 0.88-0.93
Emittance: Σn-08-0.04
Vacuum: p ≤2*10-3pa
Stagnation parameter: >250M2C/KW
Solar radiation exposure for obtaining a preset water temperature: <2.8MJ/M2
Average heat loss coefficient: < 0.8W (M2C)
Lifetime 15years

High Quality Solar Vacuum Tube 2013



High Quality Solar Vacuum Tube 2013

Haining Deno Solar Equipment Co., Ltd

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Key Specification:
Highly efficient absorber of high performance with daily average Efficiency over 40%-50%
Start up quickly heat pipe transfer the heat energy into the storage tank in one condition
With stand pressure of 0.2Mpa, can be connected directly with city water pipe
Highly efficient insulation with polyurethane foam
Can be used all year round even in the cold weather
Automatically controlled
Highly heat absorber and less in heat losing
For both flat roof and slope roof
Three target tube: super efficiency
Long warranty 15 years: low price

Vacuum tube changes unceasingly as the environment changes, because of the regional differences, the differences between the target Consumption group, the differences between the buildings require solar water heater from place to place, since the combined with construction effectively.

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