The climate of our country is characterized by cold winters. The low temperature of the external environment is extremely dangerous for water pipes, the liquid contained inside which, when frozen, can cause them to deform.
Therefore, when laying pipes, they are traditionally mounted at a depth of about two meters. At this level, the earth does not freeze even in the most severe winters.
But in this case, the maintenance of communications is seriously hampered, and the cost of their installation increases many times over.
Fortunately, heating cables for pipelines come to the aid of builders – a product of modern technology that effectively protects pipes from the harmful effects of cold, even if they are laid shallow or outdoors.
Advantages of heating cables
The use of heating cables to protect pipes from low temperatures instead of their traditional deep burial is not only more convenient, but also cheaper in the long run, since it allows you to save a lot of money on manual or mechanized digging, provides a XNUMX% guarantee of the safety of engineering systems, without the need for them. regular repairs.
Moreover, you can organize cable heating yourself, without involving a team of specialists, you just need to study the manufacturer’s instructions, which is especially important for owners of country houses.
The result is more than impressive – ice-free pipes that never burst, accessible at any time, without the need to lay a network of trenches.
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Types of heating cables
Popular heating cables come in several types. The most common:
- Self-adjusting;
- Zonal;
- resistive solutions.
The first, as can be understood from their name, react to temperature changes on their own, in automatic mode.
They continuously adjust the intensity of heating, working most intensively in the coldest areas, and are on standby in places where the temperature is normal.
This ensures not only uniformity and timeliness of heating, but also optimal power consumption.
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The cable is connected through a residual current device to a 220 volt network, using circuit breakers and a differential protection unit in case of insulation damage.
In the case of using a resistive heating cable for heating pipes, temperature sensors are mandatory installed to signal an increase or decrease in temperature in individual sections.
Although this type of cable is not as smart as self-regulating models, it is distinguished by its simplicity of design, as a result, and is cheaper.
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Zone heating cables are responsible for controlling the temperature of certain areas of the pipeline most exposed to outside influences.
In addition to plumbing systems, they can be used to protect the sewer system and heat the roof and gutters, which allows you to protect others from falling icicles and blocks of ice crumbling in the thaw.