Description: Total head developed by the pump at a rate of flow corresponding to the best efficiency; Name: Optimal head
Description: Total head developed by the pump at a rate of flow corresponding to the best efficiency; Name: Optimum head
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