1. Corrosion resistance and long service life. A thick layer of solid oxide film can cover the surface of aluminium slot profile material, thus aluminum alloy can be used for a long term in the heating of the water quality of pH 9 or auto radiator, and after a special surface treatment of aluminum heat sink can be used in various material medium pH 12 or less.
2. Various surface treatments can be carried out. There are many varieties of patterns and colors, and there are no solder joints. It’s highly decorative, beautiful and durable, which can meet people's personalized requirements.
3. Safety and high pressure resistance. Because the ratio strength and stiffness of aluminum alloy are much higher than copper, cast iron and steel, even in the case of thinner thickness, it can withstand sufficient pressure, bending force, pull force and impact force. And in the process of handling, installation and use, there will be no damage.
4. Light weight, easy to install and carry. Under the same heat release phase, the weight of aluminum heat sink is only one eleventh of the cast iron heat sink, one sixth of steel heat sink, and a third of the copper heat sink. Transportation costs, labor intensity and installation time can all be effectively reduced.
5. Easy installation and maintenance. Because of its small density, aluminum alloy can be processed into various shapes and specifications of the parts, so this kind of aluminum heat sink’s section is big and neat. Product assembling and surface treatment can be installed directly on the construction site, which saves a lot of cost of installation. Maintenance is also convenient and inexpensive.
6. Energy saving and cost-effective. When the temperature of the heat sink import and export of center distance and heat conduction phase are the same , the aluminum heat sink is 2.5 times higher than cast iron heat release. And because of beautiful shape, heat loss can be reduced by more than 30%, and cost down more than 10% without central heating. Since aluminum is only a third of the price of copper, it can be significantly more cost-effective.
Considerations: Improve the hot water heating system, adjust the design of constant pressure point the relation between flow and filling water flow, and prevent hydrate collapse. The PH of the control heating system should be between 8 and 10, and the aluminum alloy is completely protected between this value. Ensure the chemical composition of raw materials of aluminum alloy meets the national standard. It is necessary to form a passivated protective film to prevent direct contact with water and other media to avoid leakage and corrosion.
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