flat plate solar water heater

SF serials is Flat panel solar water heater, It include flat panel with pressure or non pressure water tank.,Due to  ,. Simply design, economical and practical, small and easy to install.

Outer Body - high grade 304 L stainless steel or Galvanized steel:
- Rust Proof
- Offers better Heat Retention
- UV Resistant and durable

1. A thin sheet of Aluminium is coated with a highly selective material that is extremely efficient at absorbing sunlight and converting it into usable heat.  The aluminium sheet is ultrasonically welded to the copper riser pipes.
2.Insulation
The absorber plate is encased in 25 mm rigid Polyurethane foam, with an option to additional layer of glass wool, retaining the collector’s heat.
3. Solar Glass Glazing
The single-pane 3.2-mm solar glass is patterned to reduce reflection and tempered to maximize strength and durability. The 0.03% low iron oxide content enables a high solar transmittance of 91%.
4. Casings
All anodized aluminum extrusion casings are made of solid construction available in a natural or black color.
5. Tubing Grid
5/8” or 8 mm copper risers brazed to 11/8” or 7/8” copper manifolds with optional flow distribution.
6. Back Plate
The back plate is made of black polypropylene sheet.
7. Aluminum Foil
The aluminum foil acts as a barrier against out-gassing, integrated to the insulation