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