As the name implies, the main filters for water purification are designed for installation in the water main. For a device of this type, a parameter such as throughput is very important . Its value can reach fifty liters / minute. This is the case if the model is designed for a small house or apartment. In each specific situation, an estimate of the maximum amount of water that may be required is required, that is, the peak consumption must be calculated.
In addition, the main filters for water treatment should have a minimal effect on the pressure in the water supply. Modern models lead to its fall by half a bar. A larger value is undesirable, especially if the pressure is initially not too high.
These devices can belong to several types, depending on the purpose. The main filter for rough water purification is designed to remove large mechanical impurities. It should be installed at the entry point of the water main. This will allow all the plumbing and equipment in the house to work with purified water. The installation of such a device is necessary for the normal functioning of fine filters. The main filter element in such systems is a metal mesh with small cells. Some devices have several degrees of purification, while the size of the cells gradually decreases. The service life of such a device is practically unlimited, however, the grid needs to be washed periodically, since it can clog, and this sometimes causes the trunk to overlap.
The main filters for water purification can be intended both for work with cold water, and with hot. They differ in the materials used for production. For example, the case is made of plastic that is resistant to overheating, or stainless steel. The cartridge for hot water systems is made from polymers that are not prone to change their properties during prolonged use with hot water. A fixture for hot water can be used to work with cold, but on the contrary - no.
The main filter for fine water purification is connected after the device for rough cleaning. These systems typically combine several technologies. Almost always there is a disposal of small mechanical impurities, and sorption cartridges are also used. In addition, such filters can be supplemented with UV processing modules, as well as various membranes.
Fine cleaning is most often used for water used for drinking or cooking. Water for technical needs must be softened. At the moment, trunk softeners that use sodium polyphosphate as a reagent are widely used. Such water cannot be used for cooking without additional processing. The magnetic softener is more popular, which can be installed at the entrance of the highway after a rough cleaning device, or it can be right in front of household appliances. It is effective for water of any temperature.
Now you know what the main filters for water purification are intended for.