Description: maximum permissible head of a pump ; Name: Maximum permitted head
Description: Maximum permissible head at which the pump can be continuously operated without suffering damage; Name: Maximum allowable head
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