Nelprof with its advanced control valve selection features was first introduced in 1981. Now Nelprof 6 can be used to select all Metso s automated on off and emergency valves. Performance analysis which has been one of the value adding features in the control valve sizing tool since 1980 s can be used to study valve controllability in a closed control loop. The module also includes multi phase flow sizing as well as noise and cavitation prediction analysis.
