Pressurized solar water heaters
The details of material:
Evacuated tube: high quality borosilicate glass 3.3, with the selective absorber coating AL-N/AL-Cu and heat pipe inside the tube.
Inner tank: SUS304-2B stainless steel plate with its thickness 1.2-2.0 mm
Outer tank: stainless steel, porcelain enamel plate, colour steel plate,
Bracket: stainless steel , galvanized steel plate, aluminium alloy