COLLECTOR OF SOLAR WATER HEATER 120 1.95m

Collector of solar water heater 120 liters, with titanium coating 1.95m Cosmosolar.

Selective EPI collectors

DESCRIPTION OF SELECTIVE COLLECTORS WITH TITANIUM COATING

Collector frame from special aluminum alloy profile (Al Mg Si 0.5) painted with Seaside Class electrostatic paint for longer protection. (1)

Semi-selective titanium absorber with special vacuum coating, high absorption and low emission by increasing the absorbency collector capability, welded with new laser technology for direct heat transfer to the thermal fluid. (2)

Selective surface absorption coefficient with α ≥ 0.95. 0.02

Selective surface emission factor with ε ≤ 0.05. 0.02

Copper feeder and return pipes (headers) made of copper with diameter 22mm (3)

Copper manifolds (4)

Unbreakable security glass (thickness) 4mm thick with a constant coefficient expansion, resistant to adverse weather conditions (eg hail, extreme temperature changes, etc.) (5)

Glass permeability coefficient with τ ≥ 0.90 low low iron oxide content

Rear back made of galvanized steel 0.5mm thick with rubber

EPDM gasket for complete tightness

Back collector insulation made of 30mm thick rock wool with thermal conductivity λ = 0.035 W / m grd (measurement at 0 ° C) (6)

Lateral collector insulation made of 20mm thick fiberglass for minimization of heat loss (7)

Sealing with black silicone and EPDM rubber (8)

DESCRIPTION OF SEMI-SELECTED SURFACE COLLECTORS

Semi-selective absorber with special vacuum coating, welded to the new laser technology for its direct transmission heat to thermal liquid (2)