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: through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power