Description: minimum available (NPIP) value , which can be provided for a given volume flow by an inlet system; Name: net positive inlet pressure avail
Description: total pressure (including velocity pressure) at the pump inlet connection less the liquid vapour pressure at the present temperature of the liquid; Name: net positive inlet pressure available
Description: output variable of the controlling element, which is deducted from the control difference variable and is also the input variable of the actuator; Name: controller output variable