mult - neut
- multi-stage barrel type pump
- multi-stream switching manifold
- multi-variable predictive control
- multidrop mode
- multiplication block
- MV
- MV impulse amplitude
- MV scale high limit/scale high limit for MV
- MV scale low limit/scale low limit for MV
- MVnn
- MVPC
- N2
- nanometer
- Naph
- naphtha
- naphtha fractionation
- naphtha fractionator
- naphtha hds
- naphtha hydrotreater
- naphtha hydrotreator unit
- naphtha product cooler
- naphtha rundown cooler
- naphtha splitter
- naphtha splitter bottoms
- naphtha splitter bottoms cooler
- naphtha splitter bottoms pump
- naphtha splitter bottoms trim cooler
- naphtha splitter condenser
- naphtha splitter overhead pump
- naphtha splitter reboiler
- naphtha splitter receiver
- NB
- NC
- NE
- negation block
- net gas scrubber
- net position suction head
- network interface module
