Description: Ratio of the actual pump delivery flow to the displaced volume per unit of time; Name: volumetrical efficency
Description: determined ratio of the actual delivered volume at maximum pressure to the geometric displacement volume; Name: Volumetric efficiency
Description: The EU directive 2014/34 (ATEX) classifies explosion-proof devices into categories in Europe. At the international level, there was introduced the EPL (Equipment Protection Level); Name: Explosion protection Equipment Protection Level (EPL) of the pump