58X1800mm 3 Layer Solar vacuum Tube (2KG, 1.6mm)
$1.75
/piece
price excl.VAT
Negotiable
- Minimal order
- 100 pieces
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Product Specifications
Type
Common Vacuum Tube
Product Description
58x1800mm 3 layer solar vaccum tube( 2KG, 1.6mm)
Name | Three-target All-glass Solar Vacuum Tube |
Structure | All-glass double-tube co-axial structure |
Glass Material | High borosilicate glass 3.3 |
External Pipe Diameter & Thickness | Ø=47±0.7mm&=1.6mm, Ø=58±0.7mm&=1.6mm, Ø=70±0.7mm &=2.0mm, |
Internal Pipe Diameter & Thickness | Ø=37±0.7mm &=1.6mm, Ø=47±0.7mm &=1.6mm, Ø=58±0.7mm &=1.6mm, |
Pipe Length | 800mm, 1200mm, 1500mm, 1600mm, 1800mm,1900mm, 2000mm, 2100mm. |
Coating Layers | Cu/SS-ALN (H)/SS-ALN (L)/ALN |
Coating Method | Three target magnetron sputtering plation |
Thickness | 1.6mm/2.0mm/2.2mm |
Specific Absorption | as=0.93~0.96(AM1.5) |
Emission Ratio | Σh=0.04~0.06(80°C±5°C) |
Vacuum Tightness | P≤5.0×10-3Pa |
Idle Sunning Property Parameters | Y= 260 ~ 300m². °C/KW |
Solar Radiation for Obtaining a Preset Water Temperature | H≤3.7 MJ/ m²(Ø47), H=2.9~3.2 MJ/ m²; H≤4.7 MJ/ m²(Ø58), H=3.7~4.2 MJ/ m². |
Average Heat Loss Coefficient | ULT=0.4~0.6W/ (m². °C) |
Pressure-Endure Ability | 0.6Mpa |
Hail Resistance | Ø25mm/Ø40mm |
Lifetime | 15 Years |
Supply Ability
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