Description: lowest flow at which the pump can operate without exceeding the vibration limits imposed by this International Standard; Name: lowest ongoing stable flow
Description: Lowest flow at which the pump can be operated without it adversely affecting ist performance in terms of life expectancy, noise and vibrations ; Name: Minimum continuous stable flow
Description: classifies the scope of the protection of the electromagnetic device against direct contact, against insertion of hard foreign objects and/or infiltration through water; Name: Protection type class of the electric motor