High temperature vacuum tube collector
(Direct Current Heat Pip tube)
The tube has
1, vacuum and direct current,
2,selective coating
3,heat pipe in it,
the tube working temperature 200-550C
It just work for solar thermal power plants, Parabolic trough system, solar air-condition.
The dia. Has 100mm,120mm,inner dia 70-100mm, and the length has 1500mm,1800mm,2000mm，4000mm