solar water heater vacuum tubes

    The vacuum tube  type solar water heater specific parameters:

1, outer tank material: color steel, galvanized steel sheet or stainless steel. Diameter in 460 mm 0r470 mm. Thickness : 0.31 mm

2, inner tank material: SUS304-2 B food grade stainless steel : diameter in 340 mm or360 mm and thickness : 0.31 mm to 0.4 mm.

3, the insulation layer: imported  good quality polyurethane constant temperature and high pressure overall foam, thickness 50-60 mm, heat preservation for 72 hours.

4, vacuum tubes glass using  high-borosilicate 3.3. The absorption rate 92% , reflectivity 6% frequency to resist for 25 mm in diameter of hail. (vacuum tubes have common glass tube and zijin tube. Specification: 58 * 1800 mm.)

5, sealing ring uses the high quality the edible silicone. Reliable quality, with long service life.

6, the water tank lid using disposable stamping forming and galvanized board surface spray coloring. Has the characteristics of high intensity and long service life.

7,bracket:adopt high strength steel or stainless steel and aluminum alloy color. It can prevent rust and anti-aging, has the stable and durable characteristic. (stents width 7.5-10 cm. Thickness: 1.0 1.5 cm)

8, the package :adopt standard hard carton and foam padding.

9, Optional accessories: electric heating, controller, vice water tank, etc.