solar evacuated tube
1.Lifetime:15years
2.CE,CCC,ISO certification
3.Deliver time:within 10-15days
4.MOQ:10pcs
solar evacuated tube
Vacuum tube:
1,the pipes are made of advavced superconductive oxygen-free copper heat pipes
2,graceful appearance long service life and non pollution
3,the evacuated tube with superconductive heat pipe is the most advanced product in
the world
4,Dimension:dia,28*1200mm,dia,28*1500mm,dia,47*1500mm,dia,47*1500mm
dia,58*1800mm,70*2000mm
5,High resistance to the wind ,hail and severe temperature
6,High efficiency of heat absorption.
Length (nominal) | 1800mm |
Outer tube diameter | 58mm |
Inner tube diameter | 47mm |
Glass thickness | 1.6mm |
Thermal expansion | 3.3x10-6 oC |
Material | Borosilicate Glass 3.3 |
Absorptive Coating | Graded Al-N/Al |
Absorptance | >92% (AM1.5) |
Emittance | <8% (80oC) |
Vacuum | P<5x10-3 Pa |
Stagnation Temperature | >200oC |
Heat Loss | <0.8W/ ( m2oC ) |
Maximum Strength | 0.8MPa |
Inner manifold material | Red copper channel |
Outer shell material of manifold | Aluminium alloy |
Frame material | Aluminium alloy |
Heat pipe material | 99.93% pure cooper & lead free, 45% silver brazing |
Rubber Seals and rubber Rings | HTV grade silicone rubber |
Optional installation angle | 38° stand (ground and flat roof installations) |
Maximum Operating Pressure | 12 bar (175 psi) |
Vacuum tube | Ø58-1800mm co-axial structure high borosilicate 3.3 three-target glass vacuum tube with anti-frozen copper heat pipe |
Manifold Plumbing Connections | 3/4" Copper Pipe |
Stagnation Temperature | Approx. 200°C (400°F) |
Daily efficiency | ~55% (~42% in winter) |
Hailstone resistance | Diameters of less than 25mm (1 inch) |
Heat pipe anti-freezing | -35°C (-31°F) |
Life span | Approximate to 15 years |
1. We can make the models for customer’s order.So if you ask for special size please let us know.
2. We could also provide the pressurized tank,the circulating pump,the controller and the
expansion tank for favorable price.
