Pedrollo PK series vortex pumps are recommended for pumping clean water without abrasive particles and chemically non-aggressive liquids. Due to their compactness, reliability, ease of operation and cost-effectiveness, they have found application in everyday life for water supply in combination with small pressure supply systems, for watering gardens and vegetable gardens, taking water from tanks, wells at a depth of up to 9 m. And also in all cases where air or gas is present in the pumped liquid. The pumps are equipped with a non-return valve at the suction, which eliminates the need to install a bottom valve. Installation must be carried out in rooms or places protected from atmospheric influence.