Steel-aluminum composite radiator is currently the best heating product

[China Aluminum Network] The column-wing radiators made of extruded aluminum or die-cast aluminum cannot be adapted to domestic centralized heating hot water systems because aluminum products are afraid of alkaline corrosion. The lack of steel radiator material is acidic water quality, and some people think of painting the interior of the pipeline to do anti-corrosion treatment. This can prevent the radiator material from being unsuitable for water quality.

The method of internal anti-corrosion treatment is good, but it is also considered a high-tech in the radiator industry. Because it cannot accurately check the quality of the anti-corrosion of the cavity, its reliability has been questioned by many consumers, so stainless steel The aluminum alloy composite radiator of the water channel emerged. Technical requirements for steel-aluminum composite radiators are also more stringent. Because many steel risers and upper and lower headers are welded together, the riser jacket aluminum profiles are precisely compounded after high-pressure liquid expansion.

The technique mentioned above is the steel-aluminum composite airfoil radiator () product of the all-steel channel. I believe that professionals all know that the country has such two special regulations for this product. One is that the radiator riser must be inserted. Into the aluminum cavity, the use of hydraulic expansion joint technology, so that stainless steel tube expansion, so that the two precision composite into one, there is no gap in the middle, the thermal resistance between the two can be ignored.

The steel-aluminum composite radiator has different coefficients of expansion of steel and aluminum. It will have gaps in the middle of a long time, and it will also have thermal resistance. This is unscientific, because so far, steel-aluminum composite radiators have been used for more than a decade. The market has been used for a while, and during this period there has been no worsening of the situation over time due to the cooling effect of the steel-aluminum composite radiators using hydraulic expansion joints.

As early as the appearance of steel and aluminum radiators, some professionals predicted that the lifetime of this three-in-one steel-aluminum radiator would be more than three times longer than that of steel radiators, and the mechanical strength would be higher than that of copper-aluminum composite radiators. It's more than six times, but what is the price for the aluminum alloy composite radiators at Ningbo? Knowing that the price of the two metals, steel and aluminum, is not expensive by itself, so the production cost will not be high.

During this cold heating period, the heating radiator system's water is always at a good temperature, so there will not be a moment when the heat is cold for a while, so the radiator is now better on the market, and during heating, the entire The water in the heating system has always been high-temperature, so there will not be hot and cold. Relatively speaking, the steel-aluminum composite radiator is currently a better heating product.

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