Description: highest head of a pump if it is not reached atzero flow rate; Name: peak head
Description: Highest total head developed by a pump when this does not occur at a zero rate of flow; Name: Head at peak point
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 of the electric motor