Description: the maximum  head of a pump that can deliver it during operation; Name: Greatest head allowed while operation
Description: Maximum permissible head at which the pump can be continuously operated without suffering damage; Name: Maximum allowable head
Description: maximum boundary value of temperature range in a specified temperature, in which an operating unit can be used, without serious changes of assigned features, depending on the exposure time. Temporal restrictions like short-time or durability have to be stated; Name: max. temperature range