China Solar Tube Evacuated Tube Vacuum Tube

Product Description:Solar vacuum tube specification:
Model58*1800Tubes Diameter58mmTube Length1800mmGlass Thickness1.6+-0.1mmGlass MaterialBorosilSwitch icate 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

StagnationSmart Card & Card Reader Temperature

>200ºC

Electric Motor 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 40HQElectrical Control System required (6800-7000 pieces), could delivery within 5 days. Further questions, stephen@renewsolargy will answer you timley. Thanks for your support in advance.