Compact non-pressured solar water heaters、compact pressured solar water heaters and separated high pressured solar water heaters

Such as Compact non-pressured solar water heater:

Chracteristic:

1、Patent number:ZL2004300721 74.6

2、Vacuum tube:47mm-1500mm.58mm-1800mm.spaceflight vacuum heat collecting tube,large amount of heat gaining.

3、Inner tank:imported SUS304-2B food-level stainless steel ,shickness is 0.4mm or 0.5mm.

4、Outer tank:imported colour steel (imported stainless steel.zinc aluminum steel plate)

5、Bracket :elaborated designing,high intensity plating aluminum and zinc steel board.treated by dry painting,aluminum alloy

6、Technique chracteristics: use automatic argon arc welding technique,good pressurization capability; no speeding forever, use automatic machinery foaming technique,super insulation capability.