Description: Classification of the devices according to the level of safety; Name: Explosion protection category for devices (electric motor)
Description: Allocation of the devices in accordance with the safety measure; Name: Explosion protection category for devices , electric motor
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