58*1800mm Solar Vacuum Tube for Solar Collector

Product Description:Solar vacuum tube specification:
Model58*1800Tubes Diameter58mmTube Length1800mmGlass Thickness1.6+-0.1mmGlass MaterialBorosilicate Glass 3.3Absorber CoatingCU/ALN-SS/ALNVacuum Degree0.0035PaAbsorption Rate0.93Emission Rate0.06
Structure of solar water heater vacuum glass tubes
Company Information:Shandong Zentek Co., Ltd. is aprofessional leading manufacturer of solar vacuum tube from china, company have over 10 years production experience.
Right now, we have two borosilicate glass tube furnace and over 30 coating lines, can offer 10 million solar vacuum tube per year.
Our tubes has been exported to over 20 countries, such as India, Thailand, Turkey, Syria, Mexico......
Our advantage:
1)Over 10 years production experiences
2)Production chain from glass tube to solar vacuum tube which could ensure the stability of tubes.
3)8 years export experiences
4)5 years quality guarantee, at least 15 years lifespan.
5)Fast delivery (production time: 5containers within 7days; 10 containers within 10 days.)
Technical Data
All-glass evacuated solar collector tubes
Material
Borosilicate Glass 3.3
Absorption of SELECTIVE COATING
≥0.93 (AM1.5)
Emission of SELECTIVE COATING
≤0.06 (80ºC±5ºC)
Vacuum
<3x10-3 Pa
Stagnation Temperature
>200ºC
Solar radiance exposure
≤3.6MJ/m2
Coefficient of Average Heat Loss
<0.80W/(m2ºC)
Selective absorber coating
Aluminum nitrite
Maximum Strength
0.6Mpa
Technical Data
All-glass evacuated solar collector tubes
Outer Diameter
58mm
Inner Diameter
47mm
Tube Thickness
1.6+-0.1mm
Coating
ALN/ALN-SS-CU
Type
Non-pressure
Tube Life
15-20 Years
Warranty
5 Years
Application
Solar Water Heater
Package
5 layers corrugated paper/three foam block/ 3strapping; 10/12/15 tubes/carton
Loading Quantity:
Specification
Quantity each carton
20ft
40HC
Ø 47*1500mm
15/20/24pcs
5040pcs
12000pcs
Ø 47*1800mm
15/20/24pcs
4600pcs
10200pcs
Ø 58*1800mm
10/15pcs
2600pcs
6800pcs
Our Factory:
Package:
With fully automatic production line, 10 million tubes are produced every year. if one 40HQ required (6800-7000 pieces), could delivery within 5 days. Further questions, stephen@renewsolargy will answer you timley. Thanks for your support in advance.