Description: product of geometrical displacement volume and rotational speed or stroke frequency; Name: volume of geometric displacement
Description: product of geometrical displacement volume and speed of rotation or stroke frequency; Name: geometric displacement volume
Description: net positive suction head (NPSH) from flow rate at best efficiency point for actual impeller (indication of the minimum inlet pressure in meters required for the pump to deliver according to the QH curve. related to the optimum duty point at the current impeller diameter); Name: net positive suction head for Q opt at actual impeller size