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: norm describing the material. The material number is taken from this norm. Type and number of the norm with issue year and issue month must be given; Name: Reference norm material of the pump head