solar water heater:
material:
1.volume of storage tank:120L,180L,240L,300L
2.pressurized water tank:
insulating layer,polyurethane foaming ,thickness:55mm
outer shell of tank,stainless steel,thickness:0.4mm
inner tank,stainless steel SUS304-2B,thickness:1.2-1.5mm,normal working pressure:6bar,test pressure:12bar
3.dust ring gasket :EPDM
4.evacuated tube:three-target tube,high boron and silicon,content 3.3,structure,gradual change SS-AL-Nx/Cu,selective absorption coating
5.frame:stainless stell,1.2mm thickness
6.working pressure:normal working pressure:6bar,test pressure:12bar
advantages:
1.can be operated completely automatic if connect with intelligent controller.
2.Simple structure,easy plug-in installation,can be installed both in flat and inclined roof,and can be use with an auxiliary electric booster as to provide hot water without sunshine.
3.Superior heat preservation ensured by one-off molding polyurethane foam with thickness 50-65mm,
4.Suitable for campong area,holiday residences.
5.no vent and less heat loss as compared to low pressure model
6.no wateris introduced into vacuum tube
7.anti-freeze:using the anti-freezing liquid as the medium and the anti-freezing function
8.long service life,can be used as long as 15 years