Description: pressure of the atmosphere at a specified place and time; Name: pressure of the athmosphere
Description: Mean absolute pressure of the atmosphere measured at the place of installation of the pump ; Name: Atmospheric pressure
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