Expansion tank for water supply: what is it and what is it for?

The system of individual hot water supply andHeating today there is almost every country cottage. Its only drawback is that the batteries quite dry the air, but you can cope with it simply by placing in the room a small aquarium or another container of water.

expansion tank for water supplyIn addition, this system is sufficiently reliable and notso often in need of maintenance and repair. The only element to look out for is an expansion tank for water supply. If you choose or mount it incorrectly - you can not avoid serious problems. You do not want to stay without heating in the middle of winter?

What it is?

By the way, what kind of tank is this? This is a special container designed to compensate for excess pressure in the system, which happens when the water temperature rises.

In addition, their second "responsibility" is to maintain optimum pressure in the system. If you need a large heating system or a hot water system, their purchase is inevitable.

What are they like?

  • expansion tank for water supply systemsYou can often meetexpansion tank for hot water supply.
  • Models for the heating circuit.

Principle of operation

When the water in the system heats up to a certaintemperature, it expands, and the excess just goes into the tank. When cooling, the liquid flows back into the pipes. Note that the expansion tank for water supply systems is designed in such a way that water does not come into contact with the inner surface of the walls. For this they are covered with a special material based on rubber. The thicker the tank wall, the longer its service life.

Additional functions

It is generally accepted that the expansion tank forwater supply performs only those functions that directly follow from its name. But engineers would not forgive themselves if such a quantity of water was used only for circulation through a closed pipe system.

Their very important function is to protect the wholeconstruction against possible hydraulic shocks. Often they combine the role of a fire fighting tank and a tank with a water supply. This will certainly come in handy in the vastness of our country, where communal services like to disconnect something.

expansion tank for hot water supply

Installation notes

It is strictly not recommended to buy andTo install an expansion tank for water supply without carrying out all necessary calculations. This can not only lead to the failure of the whole system, but also cause accidents.

Rule two: the installation should be done only by a certified specialist, and the tank itself needs to be secured as securely as possible to the concreted base.

If a suspended expansion tank is usedfor water supply, then with a device weight of more than 30 kilograms, it can only be attached to a specially designed and properly reinforced frame.

In addition, it is highly recommended to install a special fuse-limiter, which can completely shut down the system if the pressure in it exceeds all limit values.

However, remember, no matter how reliable modern devices are, the risk of their failure remains always.

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