Model

SST-1500

SST-1800

Structure

All-glass concentric tube geometry

Glass Material

Borosilicate glass

Length

1500 mm

1800 mm

Net Weight

1.5Kg

2.2Kg

Outer Tube Diameter

f = 47 ±ƒ[1]X 0.7 mm

= 58 ±ƒ[1]X 0.7 mm

Inner Tube Diameter

f = 37 ±ƒ[1]X 0.7 mm

= 48 ±ƒ[1]X 0.7 mm

Wall Thickness

d = 1.5 mm

Transmittance of Outer Tube

0.93

Absorptive Coating Properties

Construction

AlN / Al - N (LMVF) / Al - N (HMVF) / Al / Al - N / Glass

Method of Deposition

DC reactive sputtering

Absorptance

94%

Variation along Tube Length

3%

Emittance

< 6% (100°ƒ[1](C)

Vacuum Gas Pressure

£ 5 x 10-3 Pa

Stagnation Temperature (typical)

³ 270 °ƒ[1](C

Recommended Working Temperature

£ƒ 150 °ƒ[1](C

Heat Loss Coefficient of Collector Tube

£ 0.85W / (M2·ƒ[1]°ƒ[1](C)

Impact Resistance

Withstand 1 inch diameter hailstone without breaking

Strength (pressure tested)

1 MPa

Lifetime

20 years

Quotation (FOBChinaPort)

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