Mounting stand included, flat or sloped roofs Highest pressure and efficiency of any panel Complete freeze protectio

solar heat collecting tube 1.Certification:ISO9001-2000 2.High efficiency and reasonable price 3.Specifications vary.

Solar evacuated tube, solar heat collecting tube, evacuated tube solar collector

1. Vacuum Tube

   1).External pipe diameter: 47mm/58mm/70mm

       Internal pipe diameter: 37mm/47mm/58mm

   2).Thickness:1.6mm/2.0mm

   3).Length:1500mm/1600mm/1700mm/1800mm/1900mm/2000mm/2100mm

   4).Material: high borosilicate 3.3 glass.

   5).Pass The Quality Supervision and Inspection

 2. HuaLi Solar Collector Features

   1).Highly efficient absorber, daily average efficiency over 50%

   2).Can be used all years round in the climate

   3).Low heat loss

   4).Stable coating plating technology

   5).High heat resistance and high cold resistance 

solar heat collecting tube 1.Certification:ISO9001-2000 2.High efficiency and reasonable price 3.Specifications vary.

Solar evacuated tube, solar heat collecting tube, evacuated tube solar collector

1. Vacuum Tube

   1).External pipe diameter: 47mm/58mm/70mm

       Internal pipe diameter: 37mm/47mm/58mm

   2).Thickness:1.6mm/2.0mm

   3).Length:1500mm/1600mm/1700mm/1800mm/1900mm/2000mm/2100mm

   4).Material: high borosilicate 3.3 glass.

   5).Pass The Quality Supervision and Inspection

 2. HuaLi Solar Collector Features

   1).Highly efficient absorber, daily average efficiency over 50%

   2).Can be used all years round in the climate

   3).Low heat loss

   4).Stable coating plating technology

   5).High heat resistance and high cold resistance

solar glass vacuum tube