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Help CenterHigh Pressure Compact Solar Heat Vacuum Tube
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Specifications
1.easy installation2.safe reliablity..
3 years lifetime
4.OEM accept
Heat pipe solar vacuum tube
Features
- It can withstand pressure of tap water when it works
- Without incrusting, long usage life
- One or several glass tubes broken will not fluence system work
- Tubes can be laid for long time under the sun without water in the tank
- No worry about being frozen because there is no water running inside the tubes when working
- Longlife time free replacement
Structure |
All-glass double-tube co-axial structure |
|
Glass material |
High borosilicate 3.3 glass |
|
External pipe diameter and thickness |
Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm Φ=70±0.7mm=2.0mm |
|
Internal pipe diameter and thickness |
Φ=37±0.7mm=1.6mm Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm |
|
Pipe length |
1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm |
|
Absorptive coating property |
Structure |
Cu/SS-ALN(H)/SS-ALN(L)/ALN |
Sediment method |
3 target magnetron sputtering plating |
|
Specific absorption |
0.93~0.96 |
|
Emission ratio |
0.04~0.06 |
|
Vacuum tightness |
5.0×103 Pa |
|
Idle sunning property parameters |
260~300./KW |
|
Solar irradiation for obtaining a preset water temperature |
H≤4.7MJ/(Φ58) |
H=3.7~4.2MJ/ |
H≤3.7MJ/(Φ47) |
H=2.9~3.2MJ/ |
|
Average heat loss coefficient |
0.4~0.7W/(.) |
|
Resistant Hail |
25mm |
|
Life aged |
15 years |
|
Advantages:
1. Highly efficient absorber or high perfomance with daily average efficiency over 50%
2. Start up quickly, heat pipe transfer the heat energy into the storage tank in one direction
3. With standard pressure of 6 Bar, can be connected directly with tap water.
4. No water inside the evacuated tubes; The solar water heater can still in service even with several tubes broken
5. Highly efficient insulation with polyurethane foam
6. Simple structure., easy to assembly and install
7. Can be used all year round in the cold climate
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