Description: highest value of the mechanical power requirement of the pump at any flow rate, under any permissible working conditions; Name: max. pump power requirement
Description: highest value of the mechanical power demand of the pump for any delivery flow under any permitted working conditions; Name: maximum power requirement of the pump
Description: ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: sound energy level