Welcome to the Motor-Operated Valve Users’ Group website.
The next MUG Conference is scheduled for January 12 - 14, 2026
Optional Training January 15-16th
Austin, Texas
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.
