Sawsan311
Chemical
- Jun 21, 2019
- 303
Dear all,
depending on the nature of the process application including the frequency of operation of valves and the number of turns required for opening and closing a valve, the requirement to have motorized actuated valves arise. However, based on you experience is there any criteria for having MOVs against gear operated valves with respect to:
1- number of turns affected by size and pressure class rating
2- Manning intensity (torque criteria)
3- valve size
Some Good Engineering practices follow 16'' as the typical size for MOVs however, I have seen high pressure applications having 8'' valves progressively difficult to operate with respect to having more than 100 turns for example
appreciate your valuable inputs
depending on the nature of the process application including the frequency of operation of valves and the number of turns required for opening and closing a valve, the requirement to have motorized actuated valves arise. However, based on you experience is there any criteria for having MOVs against gear operated valves with respect to:
1- number of turns affected by size and pressure class rating
2- Manning intensity (torque criteria)
3- valve size
Some Good Engineering practices follow 16'' as the typical size for MOVs however, I have seen high pressure applications having 8'' valves progressively difficult to operate with respect to having more than 100 turns for example
appreciate your valuable inputs