Home > Products > Solar Vacuum Tube > 58mm*1800mmthree target vacuum tube for split pressurized solar water heater with SRCC ,solar keymark (FACTORY)
58mm*1800mmthree target vacuum tube for split pressurized solar water heater with SRCC ,solar keymark (FACTORY)
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Product Details
| Place of Origin | Zhejiang, China | Brand Name | Sanneng | |
| Model Number | SN-V5818 | Type | Other, Part of solar water heater | |
| Application | Water Heater | Pipe Material | Glass |
Product Description
Specifications
Vacuum tube:1.Strict quality inspection
2.Long life span
3.healthy and harmless
4.Good service
Solar water heater vacuum tube :
size:
* 47mmx1500mm
* 47mmx1800mm
* 58mmx1800mm
* 70mmx2000mm
composition: borax and silica glass
Three-high vacuum tube technology:
Dimension | Φ47 | Φ58 |
Material of Tube | 3.3 High Boron Silicon | 3.3 High Boron Silicon |
Glass Expansion Ratio | 3.3±0.1×10-6K-1 | 3.3±0.1×10-6K-1 |
Outer Diameter of Tube | Φ47±0.7 | Φ58±0.7 |
Inner Diameter of Tube | Φ37±0.7 | Φ48±0.7 |
Thickness of Glass | 1.6±0.15 | 1.6±0.15 |
Transmittance | ≥0.89 | ≥0.89 |
Selective Coating | SS-CU-AL-N/AL | SS-CU-AL-N/AL |
Absorptivity | ≥0.86(AM1.5) | ≥0.86(AM1.5) |
Emissivity | ≤0.080(80±5) | ≤0.080(80±5) |
Vacuum Degree | ≤5.0×10-3Pa | ≤5.0×10-3Pa |
Collecting Performance Parameter under Sunshine | ≥190m2/kw | ≥190m2/kw |
Hailstone Resistance | 25mm | 25mm |
Starts up fast and collects solar energy fully.
Unique super pure copper surface, allowing lower reflection and minimal heat loss.
High level vacuum ensure operation under cold weather.
Long time warranty to 15 years.
Looking forward to having business with you in the near future!
Vacuum tube showing:
Contact Us
- Haining Sanneng Solar Water Heater Co., Ltd.
- Contact namejunjie Wang Chat Now
- Phone0086-573-87881860
- AddressLong industrial park, Jiaxing, Zhejiang
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