Name: Double-Vacuum Solar Vaccum Pipe
Brand: guangpu
SKU: 110495525
Availability: InStock

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Double-Vacuum Solar Vaccum Pipe

Specifications

Parameter
Triple Target Tube

1
Structure
Full-glass Double-tube Coaxial Structure

2
Material
Borosilicate Glass 3.3

3
Outer Tube Diameter
Φ47±0.7mm &=1.6mm Φ58±0.7mm &=1.6mm

4
Inner Tube Diameter
Φ37±0.7mm &=1.9mm±0.5mm

Φ47±0.7mm &=1.9mm±0.5mm

5
Length
47-1500mm/1600mm/1800mm

58-1500mm/1600mm/1800mm/2000mm/2100mm

7
Absorbing Coating Structure
Red Copper, Stainless Steel and Aluminum

8
Deposition Method
Triple-target DC Reactive Magnetic Sputtering

9
Absorption Ratio
0.90-0.93(AM1.5)

10
Emission Ratio
0.04-0.06(80°C±5°C)

11
Interlayer Vacuum
P≤2×10¯³ (Pa)

12
Stagnation Temperature
250°C

13
Average Heat Loss Coefficient
ULT= 0.4-0.6w/(m2°C)

14
Mechanical Shock Performance
Φ≤30mmcooper
15
Amount of Solar Radiation under Stagnation
H=3.7~4.2 MJ/2(58mm)

H=2.9~3.2MJ/2(47mm)

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