heating devices are conventionally divided into categories, based on the shape, material, method of connection. According to the material they are divided into: aluminum, bi-metal, cast iron and steel. The choice should depend on the type of heating system installed in the housing.
Content:
- Description
- Types, advantages and disadvantages of sectional radiators
- Mounting
Description
Scheme action consists in that water or superheated steam (produced in the pot which is heated) are pressed by means of powerful pumps.
Sectional - popular, operated in tandem with the CSO. One major advantage of the devices from metal alloys - to the most extreme pressure resistance. Non-corrosive, and most attracted to their durability and resistance.
Materials for making I.S. - steel, cast iron and aluminum. They are much more convenient in terms of design.
Bimetal - in the inner composition contains aluminum boxes and a few tubes of melted steel. For these tubes and tested coolants. Y sectional radiator panel and there is an option in which copper inserted instead of steel tubes. They extend the capabilities of water supply heat in the apartment and the house.
The first thing you should pay attention - the type of heat transfer and operating pressure heating systems. If you choose aluminum device required heat transfer fluids with a specific level of acid content. the level of acidity is not important for the steel devices.
Bimetallic able to withstand the highest operating pressure - from fifteen to forty-Atm, besides there is no limitation on the installation, depending on the number of storeys of the building.
Types, advantages and disadvantages of sectional radiators
aluminum
Popularity aluminum devices grows every year. They are made of aluminum alloys with a certain amount of silicon additives.
In the method of production are divided into:
- Cast. Section made separately.
- Extrusion. In each section there are three elements connected to each other by means of bolts.
Sections merge with the inner filling radiators with special threaded portions. Then connections are seals, which are used for high-temperature silicone gasket or paronitovye.
In the most common models of depth at the level of one meter. 50% of the heat they give a radiation, 50% - by convection.
Aluminum have high emissivity, and if used tonkorebristye surface, the level rises.
Characteristics:
- Tools water pressure is 6-25 atmospheric testing may reach thirty. The maximum possible flow temperature - Trident hundred degrees.
- Efficiency, ease of installation, little weight, modern design solutions and function control temperature. Aluminum radiators are chosen today who are important design and aesthetic appearance of the heating appliance.
- There is a possibility of leakage in the space between the radiator departments.
- The weak ability to convection.
- The possibility of formation gases.
- The concentration of heat on the fins.
Flatulence threatens disabling the heating system. Warn the situation could be if a previous installation of the steam trap air, which will function on the machine.
- In aluminum high activity, so it is highly susceptible to corrosion. To prevent these effects laid dormant dry film or corrosion carried out additional training devices.
anodized
Made of aluminum, passed thorough cleaning, therefore have good characteristics. Tested via oxidation of the anode. This procedure changes the very structure of the metal, however it finds greater resistance to the corrosive processes, and becomes stronger.
The inner surfaces of these radiators are smooth, as they are connected via external coupling type.
heat level anodised sectional units higher than that of other species.
Cast iron
Pros:
- You can use any coolant
- Allowable to use rigid and dirty water as a heat carrier - the level of conduction and decreases heat output
- Prolonged heat time
- Not afraid of corrosion
- Last for more than 40 years
- Withstand temperatures of 130 degrees and a high pressure
- You can adjust the number of sections
Minuses:
- The weight. Iron - the hardest material. One section weighs approximately 7 kg
- It takes a lot of time to heat
- Without painting do not look aesthetically pleasing. Exception - design execution, but here will net cost
- A small area of the heat output. The limit of 0.3 square meters per section 4 liter
- It is difficult to clean from dust
steel
Section composed of 2, 3, or 4 channels. Height 900 mm. The depth range of 80 - 200 mm. At threaded connections, you can add sections, increasing the length and capacity of the radiator. Cleaned of dust can be a few minutes. the operating pressure level of the steel radiator to 6 atmospheres.
Pros:
- High levels of heat output
- aesthetics
- Power control and temperature in the house
- Multiple options of colors and sizes
- Good efficiency (efficiency)
Minuses:
Not resistant to high pressure - not suitable for apartments in high-rise buildings
Mounting
To begin, select a suitable number of sections. It is calculated on the area of the house. 1 kW provides heating for about ten square meters of the house.
One section heats two sq. square meter at the ceiling with a height of 2.7 meters. The result is rounded up.
Installation of the cause of independence, having at hand only the mounting kit plugs with dipstick-type wall brackets and various types of gaskets. For the installation of sections requires a special key, so it is recommended already in the store to order sections of compounds and their subsequent assembly.
Installation does not itself use sandpaper or a file for cleaning surfaces. Aluminum heating appliances should not be installed in conjunction with copper pipes. The reaction of copper with aluminum provoke flatulence, which entails disabling the system.