Description: smallest flow rate at which the pump can operate without exceeding the noise and vibration limits specified in the order; Name: Min perm stable flow rate
Description: Lowest flow at which the pump can operate without exceeding the noise and vibration limits imposed in the order ; Name: Minimum allowable stable flow
Description: a specific design within the context of a type, which is generally characterized by its dimensions. A construction can comprise several design (variants), which generally vary in terms of mechanical details; Name: Construction form of the seal surface, connection, muff A2