Vacuum tube
Product Details:
| Type | Solar Water Heater Parts |
|---|---|
| Place of Origin | Zhejiang, China |
| Brand Name | OEM |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Pack/Packs 20ft |
|---|---|
| Price: | FOB shanghai USD 1~25 |
| Payment Terms: | T/T |
Detailed Product Description
Length | 1500mm | 1800mm |
Outer tube diameter | 47mm | 58mm |
Internal tube diameter | 37mm | 47mm |
Weight | 1.3kg | 2.2kg |
Glass thickness | 1.6mm | 1.6mm |
Material | Borosilicate glass 3.3 | Borosilicate glass 3.3 |
Absorptive coating | Grade A1/N/A1 | Grade A1/N/A1 |
Vacuum degree | P≤5.0*10-3 Pa | P≤5.0*10-3 Pa |
Thermal expension | 3.3*10-6/ºC | 3.3*10-6/ºC |
Insulation | >200ºC | >200ºC |
Absorptance | >93% | >93% |
Emittance | <8% | <8% |
Heat loss | <0.8W/(m2 ºC) | <0.8W/(m2 ºC) |
Maximum strength | 0.8Mpa | 0.8Mpa |
Resist cold | -35ºC | -35ºC |
Resist hailstone | Φ25mm | Φ25mm |
Resist wind | 30m/s | 30m/s |
Start-up temperature | ≤25ºC | ≤25ºC |
Vacuum tube
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Company Info
Haining Hengji Solar Energy Technology Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Jiaxing
Province/State: Zhejiang
Country/Region : China (Mainland)
Business Type:Manufacturer, Other
Online Postings: Products