Solar water heater

Detailed Product Description
Advantage:
a) The design is according to the international fashion trend, it is completely automatic operation and humanity design.
b) The design is scientific and reasonable, we can design the products as your request.
c) The temperature of the hot water can last more 72 - 85 hours.
Description
a) vacuum tube. outer tube: diameter is 47mm and 48mm, the thickness is 1.50mm and 1.70mm, the length is 1.54m and 1.81m; inner tube: diameter is 47mm and 48mm, the thickness is 1.60mm, the length is 1.54m and 1.80m. the material of vacuum tube is borosilicate glass 3.3. the material coated is magnetron sputtering aluminum nitride.the absorptive rate is more than 96%(AM1.5). transmittance of outer tube is more than 91%. the stagnation temperature is 270-300 degree. the freezing resistance is -35degree. about the heat loss: absorbing thermal in winter is 65degree and in summer 99degree; the rate of absoptive coating coefficent is 93%; the emmission coeffient is less than 5%.
b) Tank. the inner tank coated with SUS304-2B FOOD GRADE STAINLESS STEEL PLATE with 0.40mm thickness. the outer tank coated with imported pearlescent white color steel with 0.45mm thickess. the tank capacity: 141L/171L/183L/205L/269L/333L/397L/460L. the patter of tank is lower fitting.
c) Isolation layer: 55mm polyurethane foam long time prevent frostbite and long time heat-preservation.
d) Hail resistance: 25mm.
e) Temperature heat: 45-99 degree centigrade.
f) Standard pressure: 0.6MPA.
g) Vacuum: p<5x10-3PA.