They are recommended for pumping clean water without abrasive particles, and liquids that are chemically non aggressive for the materials of which the pump is made. As a result of their reliability and the fact that they areeasy to use and are economical, these pumps are suitable for domestic use and in particular for distribution water in combination with small pressure sets and for the irrigation of gardens and allotments. The pumps should be installed in enclosed environment, or at least sheltered from inclement weather.