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SFVA
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SFVA series
All-glass Evacuated Solar Collector Tube
All-glass Evacuated Solar Collector Tube
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SFVA SERIES
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Features | Specifications | Size | Accessories |

Place of Origin China Model Number SFVA
Price Terms FOB, CIF Brand Name Sunline& OEM
Payment Terms T/T, L/C Minimum Order 1 sets
Supply Ability 2,500sets/month Delivery Time 7 days

Features: Technical Specifications

Length

1500mm

1800mm

Outer tube diameter

47mm

58mm

Inner tube diameter

37mm

47mm

Weight

1.3kg

2.2kg

Glass thickness

1.6mm

1.6mm

Material

Borosilicate Glass 3.3

Borosilicate Glass 3.3

Absorptive coating

Graded A1/N/A1

Graded A1/N/A1

Vacuum degree

P<5*10 -3 Pa

P<5*10 -3 Pa

Thermal expansion

3.3*10 -6 /°C

3.3*10 -6 /°C

Insolation Temperature

>200°C

>200°C

Absorptance

>93%

>93%

Emittance

<8%

<8%

Heat loss

<0.8W/(m2°C)

<0.8W/(m2°C)

Maximum strength

0.8Mpa

0.8Mpa

Resist cold

-35 °C

-35 °C

Resist hailstone

Ø 25mm

Ø 25mm

Resist wind

30m/s

30m/s

Start-up temperature

<=25°C

<=25°C


Item No.

Specification

Diameter of solar tube

Length of solar tube

SFVA4715

Ø47mm

1.5M

SFVA5818

Ø58mm

1.8M

 
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