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. The DK series have compact size and are extremely reliable, very simple to use, efficient and almost maintenance-free. They are suitable for boosting pressurewater supplying for household, irrigation, general industrial applications, etc. The pumps should be installed in enclosed enviroment, or at least sheltered from inclement weather.