three elements vacuum tube
high cold resistance
fast thermal collecting efficiency
Transmittance strong,High-temperature
Port: Shanghai , Ningbo taicang
Minimum Order Quantity: 100 Set/Sets
Supply Ability: 18000 Set/Sets per Day
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: standard exporting carton
Delivery Detail: 3 working days for sample 7 working days for 20' & 40' container
| Length | 1500mm | 1800mm |
| Outer Tube Diameter | 47mm | 58mm |
| Inner Tube Diameter | 37mm | 47mm |
| Weight | 1.4kg | 2.3Kg |
| Glass thickness | 2.0mm | 2.0mm |
| Material | High Borosilicate glass 3.3 | High Borosilicate glass 3.3 |
| Absorptive coating | Graded Cu-Ss- Al/N/Al | Graded Cu-Ss-Al/N/Al |
| Vacuum Degree | P<5*10 -3 Pa | P<5*10 -3 Pa |
| Thermal Expansion | 3.3*10 -6 /°C | 3.3*10 -6 /°C |
| Insolation Temperature | >200°C | >200°C |
| Absorptance | >93% | >93% |
| Emittance | <8% | <8% |
| Heat loss | <0.8W/(m2°C) | <0.8W/(m2°C) |
| Maximum Strength | 0.8Mpa | 0.8Mpa |
| Resist Hailstone | 30m/s | 30m/s |
| Resist cold | Ø 30mm | Ø 30mm |
| Resist wind | 30m/s | 30m/s |
| Start-up Temperature | <=25°C | <=25°C |
Feature
Starts up fast and collects solar energy fully.
Unique super pure copper surface, allowing lower reflection and minimal heat loss.
Can resist impact of hail:hailstone diameter 25mm.
High level vacuum ensure operation under cold weather.
Long time warranty to 15 years.
The evacuated tube with superconductive heat-pipe is the most advanced product in the world.
The current products mainly include:diameter:47/58/70mm;length:800/1200/1500/1600/1800/1900/2000/2100mm.
And the most important thing is that we can also provide products as your request.
Looking forward to having business with you in the near future!
Solar Glass Tube Structure
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