Description: highest rotational speed (revolutions per minute) at which the machine as-built and tested is capable of continuous operation; Name: maximum permissible continuous speed 
Description: highest speed for continuous operation recommended by the manufacturer; Name: maximum allowable continuous speed
Description: indication of the minimum flow rate at which the pump can still be operated without problems. related to pump operation at 2,900 rpm; Name: minimum feed flow at 2900 / min