Solar Heat Tube

Working Life15 years

Working Pressure:0.6Mpa

Hail Resistance: 25mm

Good Thermal Efficiency

High collecting efficiency:magnetron sputtering gradation aluminum-nitrogen/aluminum sun selective absorption coating ,solar absorptance0.93,heat emissivity6%,less heat loss and good heat preservation,

Performance parameter of the vacuum tube

Strictly follows the national standards GB/T17049-1997 starting from raw material purchase to finished products, all the employees cooperate well and never allow any faulty products

Quality Assurance:

Vacuum tube is made of 3.3 high boron silicon glass tube that satisfies QB/T2346-99(idt) ISO4803-1978 standard,with high transmittance,well cold and thermal shock resistance and strong optics stability

Well material:

Multi-layer magnetron sputtering gradation aluminum-nitrogen/aluminum sum selective absorption coating improve the heat collecting efficiency of high vacuum tube

Advanced technology:

Vacuum tube is made of 3.3 high boron silicon glass and has small thermal expansion rate and high intesity ,It can resist impact of hailstone under 25mm.

Nanometer molecular engineering is applied to greatly improve the absorption function,the heat collecting ability increase 18%,the water temperature is higher,the same sunshine makes different hot water effciency, Adopt American technology and control stritly all the working procedure from cleaning to exhausting ,so that the vacuum degree of interlayer in the tube can be 10-3Pa and radiation heat loss can be little.The unique carbonic coating is more reliable than the traditional AL-N/AL coating, and its ageing persistence is better, the coating property is longer,

Nanometer Technology Solar vacuum Tube

Solar Heat Tube

Solar Heat Tube
*The dimension is optional
*Suitable for cold area
*High yield but low cost
*OEM supply

  • Tube material:high borosilicate glass 3.3
  • Model Number: LQ-A85
  • Brand Name:Longquan Solar&OEM
  • Place of Origin:Jiangsu, China (Mainland)
  • Pipe Material:Glass
  • Application:Solar Thermal
  • Type:Pressurized
  • Country:China (Mainland)
  • telephone:86-519- 82446226
Delivery Time: 15 working days
Package: Carton box
Supply Ability: 15000 Piece/Pieces per Day
Minimum Order Quantity: 1 Piece/Pieces
Payment Terms: L/C,T/T
Port: Shanghai or Ningbo
Fob Price: US$5-999999Shanghai or Ningbo
Tube material: high borosilicate glass 3.3
Model Number: LQ-A85
Brand Name: Longquan Solar&OEM
Place of Origin: Jiangsu, China (Mainland)
Pipe Material: Glass
Application: Solar Thermal
Type: Pressurized
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