Description: mean flow rate through the valve seat under specified working conditions; Name: valve seat speed
Description: mean velocity of the flow through the valve seat at the specified operating conditions; Name: valve seat velocity
Description: the pressure whose value is equal to the algebraic difference between the absolute pressure and the atmospheric pressure. To this end, the overpressure for a pressure room can, for example, be negative with underpressure or under vacuum; Name: Max. overpressure of the shaft seal