Solar Water Heater FPC Type by  Euro Premium Solar

Solar Water Heater FPC Type by Euro Premium Solar

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Overview

Normally non pressurised systems are working up to 0.8 Kg / Cm2 , The storage tank is placed at a certain height relative to the top of the collector to prevent the reverse circulation during off-sun shine hours. In this system, hot water storage tank can be under normal pressure of cold water overhead tank so gravitational force of overhead cold water tank comes to bottom of hot water tank at normal pressure ( non pressurized), hot water comes out from top of hot water solar tank and release at the end of tap as a regular.

Brand Eurosolar
Overall size** 2030 mm x 1090 mm x 95 mm
No. of fins per collector 9
Absorber area 2.06 sq. M
Absorber coating Eurosolar Solar selective coating on copper (black chrome on copper with or without nickel undercoat)
Absorptivity 0.92 – 0.96
Emissivity 0.10 - 0.15
Temperature tolerance of coating More than 200 deg. C
Absorber sheet (Copper) 0.12 mm thick x 1900mm L x 115mm W
Riser (Copper tube) O. D. 12.7mm x 0.5 mm thick x 1922mm L
Bonding between riser tube and absorber Ultrasonic welding
Bonding between riser tube and header Copper brazing
Riser tube protrusion inside header Max. 3 mm
Hydraulic Test pressure 5 Kg/ sq. cm.
Rated pressure 2.5 Kg/ sq. cm.
End connections Brass flared Flanges
Collector box Specially Extruded Aluminum sections
Box Corner joints G. I. screws
Box-back sheet joint Pop riveted
Back sheet Aluminum sheet 0.45 mm thick
Reflector Aluminum foil 0.02/ 0.05 mm thick
Glazing Toughened & Tempered glass 4 mm thick - free from bubbles and scratches
Transmittance > 0. 82
Sealing Silicone sealant
Back Insulation Resin bonded Rockwool 50 mm thick. 
R=1.67 sq. M deg. C/ W
K = 0.052W/sq. M. k
Side insulation Resin bonded Rockwool 25 mm thick
Grommets & gaskets EPDM rubber
Thermal performance FRUL =< 6 W/ sq. M deg. C 
FR ( T& ) >= 0.65
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