Welcome to the Motor-Operated Valve Users’ Group website.



2023 MOV Users Group Conference
January 23-27, 2023
Clearwater Beach, Florida
Log in to the members area for details.




The Motor-Operated Valve Users' Group (MUG)  is a forum of member nuclear utility representatives formed for the exchange of technical information relating to the testing and maintenance of motor-operated valves (MOV) among the utilities and in coordination with other organizations within the nuclear industry for the increased reliability and safety of nuclear power.