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split pressurized evacuated tube thermosyphon (passive) indirect

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    split pressurized evacuated tube thermosyphon (passive) indirect

    split pressurized evacuated tube thermosyphon (passive) indirect

    Specifications of split high pressurized heat pipe solar water heater


    Material of out manifold

    0.4mm thickness color steel/ fluorine carbon steel

    Material of inner tank

    Food grade 1.2-2.0 mm thickness SUS304 stainless steel

    Material of outer tank

    Colour steel or stainless steel

    Inlet and outlet hole

    Male G3/4

    Max pressure

    0.6 Mpa

    Solar collector tube

    3.3 Borosilicate glass with SS-ALN(L)/ALNor CU/SS/ALN coating

    Thickness of glass tube


    Vacuum tube tightness

    P≤0.005 Pa



    Emission ratio


    Idle sunning property parameters


    Average heat loss coefficient



    Aluminum alloy


    Argon arc welding

    Fastening pieces

    Made of stainless steel screw

    Working station


    Heat exchanger length

    10m, 12m,15m, 25m, 35m

    Working principle:

    When the discrepant temperature of the solar collector and water tank reaches the set value, the controller shall start the circulation pump automatically. Vacuum tube is composed of inner and outer glass pipe, inspiratory layer, vacuum space, inspriatory membrane. The surface of inner and outer glass tube is plated with selective absorption layer. The layer absorb the solar energy and turn it into heat energy, aluminum fins pass the heat energy to the heat pipe, the liquid medium in the heat pipe is heated by the heat energy, then turns into the gas medium, the gas medium flows up to the top of the heat pipe (condenser) and transfer the energy to the copper manifold header heat pipe. At the same time the gas medium turns into the liquid when cooled, then flows down. Keep recycling. In case the temperature of the water tank does not reach Tmax, then start the auxiliary heating device.

    Special features of split high pressurized vacuum tube solar collector


    1. Collectors are separated from the storage tank. The tank can be put anywhere of the house,so the whole system is harmonious with the building
    2. Absorbing heat quickly

    3. No worry about being frozen because there is no water running inside the tubes when working
    4. Completely automatic operation
    5. It can withstand pressure of tap water when it works

    6. Without incrusting, long usage life
    7. Multifunction: Bathing, washing, domestic heating
    8. One or several glass tubes broken will not fluence system work

    9. Tubes can be laid for long time under the sun without water in the tank.

    10. Suitable to use in all kinds of climates with electric heater

    11. The tank inside the building, the hot water loses less energy than the normal one

    12. The upright tank can reduce the cold and hot water to mix together

    13. Guarantee: Water tank for 2 years, tube and frame for 5 years


    Quality split pressurized evacuated tube thermosyphon (passive) indirect for sale
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