Description: largest value of the pump efficiency related to given operating conditions; Name: best eff (pump)
Description: Greatest value of pump efficiency obtained at given operating conditions ; Name: Pump best efficiency
Description: internal volume of a compartment, including the volume of nozzles to the first connection (flange, coupling, screwed connection, weld seam) but excluding the volume of internal structures (e. g. baffles, agitators); Name: Filling volume of the equipment