D dmulhol925 Member Jun 19, 2015 #1 Are 480v flow control valves required to have a disconnect switch for isolation purposes?
tom baker First Chief Moderator & NEC Expert Staff member Location Bremerton, Washington Occupation Master Electrician Jun 19, 2015 #2 FLow control valves such as EIM, Rotork, Limitorque? Does it have a motor? Then the answer is yes.