solar vacuum tube
1) high quality and reasonable price
2) environmental friendly
3) nice design
4) ISO9001:2000
Port: Shanghai
Minimum Order Quantity: 3000 Piece/Pieces
Supply Ability: 300000 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: Standard Export Packing:8 pcs/carton,10 pcs/carton,12 pcs/carton,15 pcs/carton,20 pcs/carton.Customer can choose according to actual needs.
Delivery Detail: within 10 days for 1X40'HQ
Structure | All-Glass Double Tube Co-Axial Structure | ||
Glass Material | High Borosilicate 3.3 Glass | ||
External Pipe Diameter & Thickness | dia.=47±0.5mm &=1.6mm, dia.=58±0.5mm &=1.6mm, dia.=70±0.5mm &=2.0mm, | ||
Internal Pipe Diameter & Thickness | dia.=37±0.5mm &=1.6mm, dia.=47±0.5mm &=1.6mm, dia.=58±0.5mm &=1.6mm, | ||
Pipe Length | 1500mm, 1600mm, 1700mm, 1800mm, 1900mm, 2000mm | ||
Absorptive Coating Property | Structure | Cu/SS-ALN(H)/SS-ALN(L)/ALN | |
Sediment Method | Three Layer Magnetron Sputtering Plating | ||
Specific Absorption | as=0.92~0.96(AM1.5) | ||
Emission Ratio | 0.01~0.03(80°C±5°C) | ||
Vacuum | P≤2.0×10-3Pa | ||
Idle Sunning Property | Y= 260 ~ 300m²°C/KW | ||
Solar Irradiation for Obtaining a Preset Water Temperature | H≤4.7 MJ/ m²(dia.58) | H=3.7~4.2 MJ/ m² | |
H≤3.7 MJ/ m²(dia.47) | H=2.9~3.2 MJ/ m² | ||
Average Heat Loss Coefficient | Ult=0.4~0.6W/( m².°C) | ||
Pressure-Endure Ability | 0.6Mpa | ||
Hail-Endure Ability | 30mm | ||
Lifetime | 15years |