solar heat pipe

• Min. Order:100
• Specification Description:1.vacuum tube with copper heat pipe in side length:47/1500mm,58/1800.2.vacuum tubes:15pcs,18pcs,20pcs,24pcs,30pcs3.we could product for customer'special need4.It has 15years long life span5.the vacuum tubes can work individually,so if the only one of

Solar vacuum tube working principle:
The high quality vacuum tubes ansorb the solar ultraviolet ray;then heat the cold water in the vacuum tube
The hot water rise in the top of the water tank ,and the cold water sink to bottom,then heat by solar collector.so the whole system is always circulatingcontinuously.
The electromagnetism or ball valve can perform the water supply automatically,the water in the tank is not sufficient ,the electromagnetism valve will open its valve,the tap water flow in the tank ,if the water is full,it will close the valve automatically


Heat pipe vacuum tubes features:

Anti-high temperature and Anti-freeze vacuum tube. The vacuum tube can withstand 400 high temperature and 30 Celsius degree below zero.
High efficiency and Good performance. The vacuum tube can heat up rapidly, and even work very well on cloudy days.
Constant warm keeping. The air between inner tube and outer tube is evacuated, which enable the tube to preserve heat.
Long life-span. The warranty of tube is 15 years.