1.Inner collector:SUS 304/316-2B stainless steel
2.Outer collector:Galvanized steel /PVDF.
thickness 0.4mm size 160mm×180mm
3.Bracket:Galvanized steel thickness 1.25mm / 1.5mm
4.Vacuum tube: 58mm×1800mm ,ALN/ALN-SS/CU,20 years life span
5.Insulation layer:High density polythurane foam thickness:50mm
6.Obliquity of the brackets 25-45 degrees
7.Heat prevervation: 72 hours
8.Inlet,outlet and air vent are SUS304 stainless steel
9.Quality guarantee: 3years~5 years~10 years
this type is (open loop ) installed the vacuum tubes in collectors
has ability to heating more effective because it allows the passage
of water inside the vacuum tubes and is unable to withstand high pressure
We can also connected many collectors with major tank.