Single target coating solar vacuum tube for solar water heater
$1.2
/piece
price excl.VAT
Negotiable
- Minimal order
- 100 pieces
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Product Specifications
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Product Description
Overview
Quick Details
Place of Origin: Zhejiang, China
Brand Name: OSIKAI/OEM/solar vacuum tube
Model Number: OS-PT solar vacuum tube
Type: Non-Pressure
Application: Water Heater
Pipe Material: Glass
Color: Blue
Supply Ability
Supply Ability: 10000 Piece/Pieces per Week
Packaging & Delivery
Single Target Coating Solar vacuum tube
1.Its mental layer at bottom is typically made of aluminum.
2.Absorptionlayer and antireflective layer are compound of Nitrogen and aluminium ion.Membranous layer is about 0.3 micron.
Technical parameter
Tube structure | All-glass double-tube co-axial structure | |
Glass material | Borosilicate 3.3glass | |
Outer tube diameter and glass thickness | Φ=47±0.7mm &=1.6mm ±0.15mm Φ=58±0.7mm &=1.6mm ±0.15mm Φ=70±0.7mm &=2.0mm ±0.15mm | |
Inter tube diameter and glass thickness | Φ=37±0.7mm &=1.6mm ±0.15mm Φ=47±0.7mm &=1.6mm ±0.15mm Φ=58±0.7mm &=1.6mm ±0.15mm | |
Tube length | 1200mm,1500mm,1600mm, 1800mm, 1900mm ,2000mm , 2100mm | |
Absorber coating | Coating material | Cu/SS-AIN |
Sediment method | Three Targets magnetron sputtering plating | |
Absorptivity | a:≥0.93(AM1.5) | |
Emittance | ε≤6.5% (80°C±5°C) | |
Vacuum degree | P ≤5.0×10-3 Pa | |
Transmittance of glass tube | T:≥0.89(AM1.5 ISO9806-1:1994) | |
Stagnation parameter | Y :200~240 m²°C/kw | |
Average heat loss | ULT≤0.65W/(m²,°C) | |
Hail resistance | Φ25 mm | |
Pressure-endure | 0.6 Mpa | |
Comparing with three target coating vacum tubes:
| Haining Ousikai Industry & Trade Co.,Ltd | ||||||
| Singletargetcoating solar vacuu tube | Three target coating solar vacuum tube | |||||
| Tube structure | All-glass double-tube co-axial structure | |||||
| Glass material | Borosilicate 3.3glass | |||||
| Outer tube diameter and glass thickness | Φ=47±0.7mm &=1.6mm ±0.15mm Φ=58±0.7mm &=1.6mm ±0.15mm Φ=70±0.7mm &=2.0mm ±0.15mm | |||||
| Inter tube diameter and glass thickness | Φ=37±0.7mm &=1.6mm ±0.15mm Φ=47±0.7mm &=1.6mm ±0.15mm Φ=58±0.7mm &=1.6mm ±0.15mm | |||||
| Absorptive coating propertyproperty | Structure | Glass/AL/AL-ALN(H)/AL-ALN(L)/ALN | Cu-SS-ALN | |||
| Sediment method | 1 target magnetron sputtering | 3 Targets magnetron sputtering | ||||
| Absorption ratio | α=0.90~0.92(AM1.5) | α=0.93~0.96(AM1.5) | ||||
| Emission ratio | ε=0.09~0.1(80°C±5°C) | ε=0.05~0.075(80°C±5°C) | ||||
| Vacuum tightness | 5.0×10-3 Pa | |||||
| Heat loss | 0.6-0.76W/(m2.°C) | 0.4 -0.6W/(m2.°C) | ||||
| Resist cold | -20°C | -25°C | ||||
| Resist high temperature | 220°C | 250°C | ||||
| Service life | 12 Years | 15 Years | ||||
Supply Ability
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Packaging and Shipping
Lead time
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