Description: mean velocity of the flow through the valve spill area; Name: valve spill speed
Description: mean velocity of the flow through the valve spill area; Name: valve spill velocity
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