Solar water heater III

Features:
1) tank:
Inner tankfv sus304-2b stainless steel, thickness 0.4mm
Isolation layer fv high dense polyurethane integral foam, thickness 55mm
Outter shell fv zinc and aluminum coated steel sheet
2) supporting frame:
Galvanized steel, electrostatic powder coated
3) vacuum tubes:
Hard borosilicate glass tube, 30mm hailstone resistant
Diameter: 58mm
Length: 1, 800mm
4) echo tilt: 38, 45, 50 degree
5) system pressurized runs without pressure
6) water temperature up to 95 degree c
Capicity:
1) high capacity model:
18 tubes / 252 l
20 tubes / 280 l
2) high temperature model:
20 tubes / 180 l
24 tubes / 216 l
26 tubes / 234 l
30 tubes / 270 l