Why precisely bimetallic radiator? (Part 2)

Advantages of a combination of steel and aluminum

Other parts:
1. Choose a bimetal radiator
2. Why precisely bimetallic radiator?
3. 8 best bimetallic radiators
4. 10 most typical bimetal radiator reviews
5. Installation and connection of a bimetallic radiator

To begin with, we will define what qualities an ideal radiator should possess? It:

  1. Good heat transfer due to the developed surface of a large area;
  2. High heat transfer coefficient of the material from which the radiator is made to reduce the inertia of the heating system when the temperature of the supply water changes;
  3. Resistance to aggressive effects of oxygen and other substances that may be contained in poorly prepared mains water (which is not uncommon). The internal surface of the radiator should not contribute to the formation of stable deposits and can be easily washed (thus ensuring durability and stability of characteristics throughout the entire service life)
  4. The strength is sufficient in order not to collapse with a sharp pressure surge in the heating system (with possible hydraulic shocks);
  5. Light weight;
  6. Easy installation.

The bimetallic radiator considered by us has all these advantages. Let's again, on the same points compare our device with other types:

Paragraph 1
By the surface area it not inferior to both aluminum and cast iron appliances, since his shirt can be created for the same models;

Point 2
Aluminum radiators are the best in heat transfer, in a bimetallic device, the body is also made of aluminum, and the somewhat degraded thermal conductivity of the steel core and the joint of metals is compensated by less scale formation;

Point 3
According to this criterion, radiators made of pure aluminum differ in their worst performance, despite the fact that their other properties are more than excellent. This is due to the fact that aluminum is a chemically active metal that readily reacts with other elements when the oxide film breaks down on its surface.



The figure shows how much sediment can form in the pipes of the heating system.
Steel and cast-iron pipes are best of all resistant to the formation of scale and oxides, namely, a part of a bimetallic radiator that is in contact with the water network is made of steel. In addition, by means of flushing the heating system (mandatory when used correctly), it is possible to preserve the constant characteristics of the device throughout its entire service life, since this way all deposits are easily removed;

Point 4
Durability is naturally the best steel radiators, cores of bimetallic devices made of the same material, and also as well as they maintain repeated excess of possible pressure in the heating system, including the impact one;

Point 5
By weight, the bimetallic radiator is only a very small amount, which can be neglected, inferior to the aluminum device;

Item 6
It is easiest to mount steel radiators, as their parts have sufficient hardness (unlike aluminum ones) and are not as fragile (as cast-iron ones). All connections of bimetallic appliances with a building's heating system are part of its core. Thus, the simplicity and ease of installation bimetallic radiator is not inferior to steel.

Summing up we can say that bimetallic radiator has all the advantages of other types of heating devices and at the same time free from their disadvantages. All this speaks in favor of his choice, and the somewhat higher cost is more than offset by the advantages of this design.

Other parts:
1. Choose a bimetal radiator
2. Why precisely bimetallic radiator?
3. 10 best bimetallic radiators
4. 10 most typical bimetal radiator reviews
5. Installation and connection of a bimetallic radiator

Watch the video: Clever Uses Of Thermal Expansion (November 2019).

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