Description: The ratio the theoretical required power to the shaft power; Name: overall efficiency
Description: determined proportion of the driver power input, pmot, delivered as pump power output, pu; Name: overall efficiency
Description: norm/stipulation describing the explosion protection. The explosion protection type, the device category, the temperature class as well as the device / explosion group are taken from this norm. The type and number of the norm/stipulation with issue year and issue month must be given; Name: Reference norm of the explosion protection