Description: for a proportional element, the quotient of the change in the output variable and the associated input variable; Name: proportional coefficient
Description: proportional element, the quotient of the variation of the output variable to the corresponding variation of the input variable; Name: proportional action coefficient
Description: total inlet pressure required to ensure there is sufficient margin to maintain the minimum instantaneous inlet pressure with adequate margin above the minimum liquid vapour pressure expected; Name: net positive inlet pressure required