This presentation, provided by the NRC, provides an introductory look at
motor operated valves, with a focus on the manufacturer Limitorque. The document includes the theory of operation of MOVs, plus descriptions of valve types, such as gate, globe, ball, plug and butterfly.
This document also provides detailed descriptions of
Limitorque SMB actuators and
Limitorque SB actuators with full assembly and subassembly breakdown and illustrations.
Document provided by
NRC.gov