Copper Solar heat pipe tube

Solar heat pipe tube
1.OEM&ODM
2.CE,SRCC,SGS,Solar Keymark,ISO9001:2008
Solar heat pipe tube Material
Header pipe material
Copper
Heat pipe material
Copper
Condenser pipe diameter
1.4mm
Condenser pipe length:
55mm or 80mm
Condenser pipe thickness
1mm
Riser pipe diameter
8mm
Riser pipe thickness
0.6mm
Absorb fins material
Aluminum alloy
Solar heat pipe tube Technical data:
Structure
All-glass concentric dual tube geometer
Glass material
Borosilicate glass
Outer tube diameter and thickness
Φ
=47±0.8mm =1500mm±20mm
Φ
=58±0.8mm =1800mm±20mm
Inter tube diameter and thickness
Φ
=37±0.8mm =1500mm±20mm
Φ
=47±0.8mm =1800mm±20mm

Absorbing coating properties
Method to deposition
Graded A1-N/A1 solar selective absorbing coating
Absorptance
>0.92
Emittance
<0.08 (80°C)
Vacuum
p ≤ 5 × 10
-3
pa
Stagnation parameter
>230m2.°C/KW
Sloar rediance exposure for obtaining a preset water temperature
<2.8MJ/M
2
Average heat loss coefficient
<0.8W(M
2
C)
Lifetime
15years