solar vacuum tube with coating of Al-N-Al comes with high efficency, high absorptance, low emittance, low heat loss.
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
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Features of our solar vacuum tube:
| Type | Length=1200 | Length=1500 | Length=1500 | Length=1800 |
| Glass Thermal Energy Parameter | 3.3*10-6/ | 3.3*10-6/ | 3.3*10-6/ | 3.3*10-6/ |
| Outer Glass Tube Diameter | 47MM | 47MM | 58MM | 58MM |
| Inner Glass Tube Diameter | 37MM | 37MM | 47MM | 47MM |
| Thickness of the Glass Tube | 1.6MM | 1.6MM | 1.8MM | 1.8MM |
| Transmission Ratio of the Outer Glass Tube | >0.80 | >0.80 | >0.80 | >0.80 |
| Length of the Vacuum Tube | 1200MM | 1500MM | 1500MM | 1800MM |
| Solar Selective Absorber Coating | AL-N/AL | AL-N/AL | AL-N/AL | AL-N/AL |
| Absorptance (AM1.5) | >0.93 | >0.93 | >0.93 | >0.93 |
| Emission Ration (80) | <0.07 | <0.07 | <0.07 | <0.07 |
| Atmospheric Pressure Intensity in Vacuum Jacket | P<5*10-3 | P<5*10-3 | P<5*10-3 | P<5*10-3 |
| Stagation Temperature | >230 Deg. C | >230 Deg. C | >230 Deg. C | >230 Deg.C |
| Heat Loss Coefficient | <0.75W/M2 | <0.75W/M2 | <0.75W/M2 | <0.75W/M2 |
| Hail Resistant Ability | <25MM | <25MM | <25MM | <25MM |
| Max. Pressure Resistant Ability | 0.8MPa | 0.8MPa | 0.8MPa | 0.8 MPa |
Model No.: Jiachen-VT-01
Features: Solar Water Heater vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3.15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: Solar Water Heater vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3.15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: Solar Water Heater vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
4.OEM
Model No.: Jiachen-VTC-01
Features: Solar Water Heater vacuum tube with copper pipe 3
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
Model No.: Jiachen-VTC-01
Features: vacuum tube with copper pipe
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: Triple-target coating tubes 1
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
Model No.: Jiachen-VT-01
Features: All glass Solar Evacuated solar collector tubes
1.CE,ISO9001,CCC
2.USD 1.6-6per pc
3. 15Years Warranty for vacuum tube
4.OE
Model No.: Jiachen-VT-01
Features: Solar vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: Solar Water Heater vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
Model No.: Jiachen-VT-01
Features: Solar Water Heater vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3.15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VTC-01
Features: Solar Water Heater evacuated tube
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: Single-target coating vacuum tubes 1
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube