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Marvel CLS 2108
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Marvel CLS 1808
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Dimensions
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2006x1236x105 mm
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2006x1059x105 mm
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1945x945x105 mm
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Casing material
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Electrostatic painted aluminium
case
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Electrostatic painted aluminium
case
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Electrostatic painted aluminium
case
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Weight
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47.5 kg.
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40,5 kg.
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36 kg.
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Sealing material
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EPDM & silicone & aluminium
frame
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Epdm & silicone & aluminium
frame
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Epdm & silicone & aluminium
frame
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Gross area
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2.48 m2
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2.12 m2
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1,84 m2
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Aperture area
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2.25 m2
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1.90 m2
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1,65 m2
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Absorber area
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2.23 m2
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1.88 m2
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1,63 m2
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Absorber material
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Full- Face Selective coated
cooper
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Full- face selective coated
cooper
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Full- face selective coated
cooper
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Thickness
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0.20 mm
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0.20 mm
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0.20 mm
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Absorptance
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%96
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%96
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%96
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Emittance
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%3
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%3
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%3
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Welding method
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Ultrasonic welding
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Ultrasonic welding
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Ultrasonic welding
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Heat carrier
volume
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1.27 Liter
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1.07 Liter
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1,0 Liter
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Diameter of
absorber tube
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8,0 mm /
10 mm /
12.7 mm
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8,0 mm /
10 mm /
12.7 mm
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8.0 mm /
10 mm /
12.7 mm
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Absorber tube wall
thickness
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0.45 mm
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0.45 mm
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0.45 mm
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Number of tube
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10
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9
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8
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Tube pitch (mm)
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110 mm
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90 mm
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110 mm
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Glass material
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Low iron tempered Glass
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Low iron tempered glass
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Low iron tempered glass
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Transmittance of
glass
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% 91
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% 91
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% 91
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Thickness of glass
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4 mm
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4 mm
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4 mm
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Insulation
material
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Rock wool
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Rock wool
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Rock wool
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Thermal
conductivity
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0.037 w/(mk)
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0.037 w/(mk)
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0.037 w/(mk)
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Heat capacity of
wool
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0.84 KJ/(kgK)
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0.37 KJ/(kgK)
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0.37 KJ/(kgK)
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Density of wool
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52 kg/m3
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52 kg/m3
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52 kg/m3
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Thickness of wool
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50 mm
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50 mm
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50 (mm)
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Stagnation
temperature at
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1000 W/m_and
30 °C
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232 °C
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232 °C
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232 °C
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Maximum operation
pressure
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10 bar
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10 bar
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10 bar
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Test pressure
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20 bar
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20 bar
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20 bar
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Nominal flow rate
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120 Liter / H
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105 Liter / h
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100 Liter / h
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Base sheathing
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Embossed - finished aluminium
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Embossed - finished aluminium
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Embossed - finished aluminium
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Mounting Mode
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Inroof, onto-roof, flat roof
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Inroof, onto-roof, flat roof
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Inroof, onto-roof, flat roof
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