Flat Plate Collector (FPC)

Technical Specifications of Collector
Technical Specifications of Collector :
Inner Tank "URATOM"
Overall size 2030 mm x 1030 mm x 95 mm.
No. of fins per collector 9
Absorber area Appro. 2.06 sq. M
Absorber coating NALSUN Solar selective coating on copper (black chrome on copper with or without nickel undercodat) 
Absorptivity 0.92 - 0.96
Emissivity 0.10 - 0.15
Temperature tolerance of coating More than 200 oC
Absorber sheet (Copper) 0.12 mm thick x 1900mm L x 155mm W
Riser (Copper tube) O. D. 12.7mm x 0.5 mm thick x 1922 mm L
Bonding between riser Tube and absorber Ultrasonic welding
Bonding between riser Tube and header Copper brazing
Hydraulic Test pressure 5 kg/ sq.cm.
Rated pressure 2.5 Kg/ sq. cm.
End connections Brass flared Flanges of threaded 1" BSP
Collector box Specially Extruded Aluminum sections
Box-back sheet joint Pop riveted
Box-corner joints Screwed
Back sheet Aluminum sheet 0.6 / 0.7 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 M2 oC / W, K=0.052W / M2. k
Side insulation Resin bonded Rockwool 25 mm thick
Grommets & gaskets EPDM rubber
Thermal performance FRUL ≤ 6 W / M2 oC, FR (T&) ≥ 0.65
Technical Specifications for Tank
Technical Specifications for Tank :
Capacity Equal to system capacity
Material SS 304 Non magnetic stainless steel or epoxy coated G.I.
Welding TIG welding (Argon inert gas welding) for SS304 & MIG welded for GI
Thickness Suitable for tank capacity
Insulation Glasswool sheets 100 mm thick or 50 mm PUF
Cladding PP Powder-coated G.I. sheets / Aluminum Cladding
Back up (Optionl) Electrical coil of 2 KW (Optional)
Pressure rating 0.5 Kg/cm.2 for Non Press. systems; 2.0 - 2.5 kg/Sq.cm for pressurized systems
*Warrantee 5 years on Non Pressurized Model / 1 years on Pressurized Model
 Monthly Savings Chart
Monthly Savings Chart :
Traditional Energy

150 liter

3-4 Members

300 liter

9-10 Members

500 liter

15-16 Members

2 kw electric heater 625/-* 1250/-* 2080/-*
Natural Gas 523/-* 1046/-* 1744/-*

* Price of electric unit Rs. 4.5 + tax caculation is shown

* price of gas Rs. 40/1kg.

* In calculation, cold water temperature kept at 25°C & Heated temperature at 50°C

 

   

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