Good quality 58mm*1800mm Three high glass vacuum tubes ( manufacture )
1.0~2.0 USD
| Min. Order: | 1 Set/Sets |
|---|---|
| Trade Term: | FOB |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 2000 pcs per day |
| Place of Origin: | Zhejiang |
Company Profile
| Location: | Jiaxing, Zhejiang, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Solar Water Heater , Solar Collector And Vacuum Tube |
Product Detail
| Model No.: | SN-5818 |
|---|---|
| Means of Transport: | Ocean |
| Application: | Solar Thermal |
| Type: | Others |
| Pipe Material: | Glass |
| Brand Name: | Sanneng/OEM |
| Using: | Collect solar |
| Life span: | 15 years |
| Production Capacity: | 2000 pcs per day |
| Packing: | 1.Standard wooden case for sample 2.Standard cartons for container with foaming |
| Delivery Date: | Within 7 days |
Product Description
size:
* 47mmx1500mm
* 47mmx1800mm
* 58mmx1800mm
* 70mmx2000mm
composition: borax and silica glass
Three-high vacuum tubetechnology:
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 heatloss.
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!
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