Horizontal multi-stage centrifugal pump with a closed-motor, non-self-priming pump design with directly flanged motor. Gasket on through hole by means of maintenance-free mechanical seal. For pumping and water boosting of drinking water or slightly soiled water in residential, agricultural and other circumstances. Water supply from wells, irrigation tanks, sprinkler irrigation, water boosting, etc. Single-phase bipolar motor with cable gland, capacitor connection box, motor protection switch with automatic reactivation.