Selective Collectors EPI
SKU: Επιλεκτικοί συλλέκτες EPI - NV

DESCRIPTION OF SELECTIVE COLLECTORS WITH TITANIUM COATED ABSORBER

cosmosolarCollector’s Frame Special aluminum alloy (Al Mg Si 0.5) treated with electrostatic oven painting "Seaside Class" (1)
Blue Selective Titanium Absorber with special coating in air gap, laser welded on copper headers and risers. (2)
Absorption’s Coefficient of selective surface with a ≥ 0.95 ± 0.02
Emission’s Coefficient of selective surface with e ≤ 0.05 ± 0.02
Headers (collector outlets) from copper
Ø22mm  (3)
Manifolds made from copper (4)
Transparent cover of 4mm thickness, low iron, tempered, durable in adverse weather conditions (
π.χ. hail , extreme changes of temperature etc. ) (5)
Transmissivity coefficient of glass cover t ≥ 0.90.
Back side made Aluminum 0.5mm thick, sealed with EPDM rubber.
Back side Insulation
from rock wool 30mm thick with thermal conductivity λ=0.035 W/m grd (tested in 0°C) (6)
Side Insulation in 20mm thick glass wool. (7)
Water tightness with black  silicone and  EPDM
rubber (8)

DESCRIPTION OF COLLECTORS WITH SEMISELECTIVE BLACK PAINT ABSORBER
Black paint collectors are identical with the above slective ones, with the only difference of:
Semi-selective absorber with special black paint coating in air gap, laser welded.
(2)

TYPE POSITION DIMENSIONS
WxHxThickness
(mm)
TOTAL
SURFACE
(m²)
APERTURE
AREA
(m²)
CAPACITY
(lt)
WEIGHT
EMPTY
(kg)
EPI 20 - MNE 16 VERTICAL 1017 x 1517 x 90 1,55 1,303 1,05 27,00
EPI 12 - MNE 04 VERTICAL 1247 x 1517 x 90 1,89 1,613 1,32 34,50
EPI 25 - MNE 20 VERTICAL 1017 x 2017 x 90 2,05 1,768 1,43 37,50
EPI 53 - MNE 06 HORIZONTAL 2017 x 1017 x 90 2,05 1,768 1,43 37,50
EPI 16/K - MNE 01 VERTICAL 1197 x 1917 x 90 2,30 1,995 1,60 41,00
EPI 16/O - MNE 02 HORIZONTAL 1917 x 1197 x 90 2,30 1,995 1,60 41,00
EPI 54 - MNE 03 VERTICAL 1277 x 2017 x 90 2,58 2,26 1,70 47,00
EPI 56 - MNE 05 VERTICAL 1517 x 2017 x 90 3,06 2,63 1,98 58,00
EPI 57 - MNE 07 HORIZONTAL 2017 x 1517 x 90 3,06 2,63 1,98 58,00