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Specifications
vacuum tube solar water heater:Copper is the important material of our solar water heater,which make the absorption highly.
vacuum tube solar water heater collectors:
Resist the frozen weather
Cu-Ss-Al absorb coating
The tube has the following advantages:
1) Absorptivity:0.94-0.96
because of the copper insulation,the absorption of stainless steel and the decline heat of Aluminium layer.
2) Endure bad weather
Our evacuated tube can endure temperature to 250.C,even under -50.C since the vacuum rate can reach less than 5.0×10-3pa.
3) Structure stability
The tube prssure-endure ability can reach 1Mpa
4) Long life
Patented conducting substance is compatible with normal metal material that result in non-condensable gas and non-stop running within 15 years and long duration for the collector.
5) Advanced technology
Our company use 3 target magnetron sputtering plating technology,which introduce from Germany and also called interferometer coating technology.
We have different diametical tubes, for example,47mm,58mm,70mm of external pipe.
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