Description: differential pressure measured between the inlet and outlet ports for the operating conditions; Name: diff pr rated
Description: Differential pressure for the operating conditions at the guarantee point ; Name: Rated differential pressure 
Description: for objects with preferred utilization positions, the overall dimension that is generally oriented on the gravity and (in general) is measured vertically to the floors from the inlet cross-section through to the pump; Name: Elevation of setting of the machine sets, suction-side