heat pipe vacuum tube: 1) high efficiency with copper pipe 2)reasonable price 3)ALN/AL-SS/CU Coating 4)Long life-span
vacuum tube :
Certifactes: CE, ISO9001; CCC
Specification:
1.Outer Diameter /Inner Diameter : Φ47/37mm; Φ58/47mm ; Φ70/58mm
2.Length of Tube : 1500mm, 1800mm, 2000mm, 2100mm
3.Material: Borosilicate glass 3.3 , Thickness of tube:1.6± 0.1mm,2.0± mm;
4.Selective absorbing coating :tri-elements coating ALN/ALN-SS/CU
5.Thermal Expansion: 3.3*10-6/k
6.Absorption of Selective Coating: α =90% -93% (AM1.5)
7.Emission of Selective Coating: ξ =5%-7.5%(80 º C± 5º C)
8.Coefficient of Average Heat Loss: 0.6-0.7W/(m2 º
9.there is no water in the vacuum tube.
10. copper pipe transfer heat quickly
11. 15year life-span
12.10years warranty
heat pipe vacuum tube
