Danyang Bluesky Solar Collector

Specifications:

Dimension

Φ47-1500

Φ58-1800

Material of Tube

3.3 High Boron Silicon

Glass Expansion Ratio

3.3±0.1×10^-6K^-1

3.3±0.1×10^-6K^-1

Outer Diameter of Tube

Φ47±0.1

Φ58±0.1

Inner Diameter of Tube

Φ32.8±0.15

Φ43.8±0.15

Thickness of Glass

1.6±0.2

Transmittance

≥0.89

≥0.89.

Lenth of Tube

1500±0.5

1800±0.5

Selective Coating

AL-N/AL

Absorptivity

≥0.86(AM1.5)

Emissivity

≤0.080(80±5)

Vacuum Degree

≤5.0×10^-3Pa

Collecting Performance Parameter under Sunshine

≥190m²/kw

Hailstone Resistance

25mm.

Size of Condenser head

Φ13.3×58±0.1 mm

Material of Copper Pipe

TU1(Purified copper trace amounts of oxygen)

Thickness of Copper wall

0.7mm

Weight of Copper Pipe

163 g

196 g

Liquid in Copper Pipe

Purified Water

Startup Temperature

22±2

Material of Frame

Stainless steel...