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Is an O-type control ball valve what we commonly refer to as a on/off valve?

2017-04-09View Original

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Are the two the same thing? Ball valves are not suitable for use in regulation, as the O-ring used for this purpose creates an eccentricity, which over time can damage the valve seat and lead to poor sealing. Please ask an expert to answer
Reply #22017-04-09
The concept of a control valve is too broad; think about what a control valve is – ball valves, butterfly valves, gate valves, and so on can all be considered control valves. Type O ball valves are the most suitable as on/off shut-off valves.
Reply #32017-04-09
Thank you for your answer. I would like to learn more about O-type control valves. I already understand what on-off valves are; could you please provide some information on O-type control valves?
Reply #42017-04-09
It is a pneumatic or electric actuator; the valve body is a ball valve
Reply #52017-04-09
The O-ball valve is used for shut-off, while the V-ball valve and eccentric ball plug valve can be used for regulation
Reply #62017-04-10
The O-ball valve can only be used as a on/off valve; it cannot be used for regulation
Reply #72017-04-10
The O-ball can also be used as a control valve, although its control effect is not very good
Reply #82017-04-10
O-ball valves can also be used as control valves, though their control performance is not very good; some of the control valves in our factory are O-ball control valves

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