plastic solar water heater collectors

Technical data:

Number of Tubes 10, 15, 20, 22, 25, 30

Length of Tube 1800 mm

Outer Tube Diameter 58 mm

Inner Tube Diameter 47 mm

Glass Tube Thickness 1.6 mm

Tube Thermal Expansion 3.3 X 10 -6 oC

Tube Material Borosilicate Glass 3.3

Absorptive Coating Graded AI-N/AI

Absorptance > 90% (AM 1.5)

Emittance 7 % (100 oC)

Vacuum P < 0.005 Pa

Stagnation Temperature < 220 oC

Heat Loss < 0.8 W/m2. OC)

Reflector Ginning Alumnium reflector plate

The out cover of the solar connector Zinc coated steel sputtering manifold.

Frame Zinc coated steel corner sputtering frame

Heat pipe type Big heat pipe

Insulation Polyurethane

Tested pressure 1.0MPa

Working pressure 0.6MPa

Daily efficiency >50%