Description: ratio between actual and desired availability ; Name: Availability due to production
Description: Ratio of actual production to required production, or any other reference level, over a specified period of time; Name: Production based availability
Description: NPSH-value required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves; Name: Net positive suction head required for a drop of 3 %