Origin	China
Model Number	LV-3758
Brand Name	chaoda/oem

split pressurized solar water heater:
Proudct features
Heat exchage

Including vacuum tube heat exchage and copper tube heat exchage,which increase more heat absorbed and less emission.

Work principle

vacuum tube collectors are used of solar water heater to maximize the realization of solar thermal conversion, by the microcirculation to be sent to heat hot water tank through a dedicated pipeline to the user. Control system sent the water to solar energy by control valve and controler in order to achieve automation.what is more,it can use as normal on overcast,rain,and snow weather which added a Electrical Heating System,saving 90%.And automated operation.
1.      hardcore-vacuum tube
a.We used selective AL---N/AL vacuum sputtering coating technology,which is the best effect of collector recently.

b. Material borosilicate glass 3.3

c.Absorbance ≥0.92

d.Vacuum degree ≤5×10-3pa

e.Absorbance coating layout

metal reflecting layer(copper),

absorbance layer(ss aluminumnitride metal ceramic

remittance reducer layer(aluminumnitride)

2.      Performance characteristics of insulation materials and technical parameters
   Polyurethane insulation layer thickness: 70mm obturator rate: 65.69% thermal conductivity: 19.83mw/mk, and after dealing with high-temperature aging
3.      water tank and bracket

Inner water tank: SUS304 food grade stainless steel
Outer water tank: coating steel board
Bracket: thickness: 1.5mm color steel with electrostatic plastic coating

4.    Capacity

150/200/250/300 liters