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  • Users: fcce
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  1. fcce

    Estimate Seating / Unseating load of a 1" Full Port Ball Valve

    Valvehowker, the manufacturer of these valves and their actuators is CONTROMATICS, which dissapeared many years ago. I have tried to get in contact with Flowserve staff since I know they currently own the data related to these equipments. To date, I have not been able to find what I really need...
  2. fcce

    Estimate Seating / Unseating load of a 1" Full Port Ball Valve

    Thanks for your comments, JimCasey, I assume it is not easy to find a particular answer for my question, so I would like to ask you about any valve manufacturer who can provide me with some of the data I need. Your explanation is perfect from a theoretical point of view, which I really...
  3. fcce

    Estimate Seating / Unseating load of a 1" Full Port Ball Valve

    I really appreciate your comments, JLSeagull. I will try to get the information required from the vendor, in this case. Thanks again.
  4. fcce

    Estimate Seating / Unseating load of a 1" Full Port Ball Valve

    Hello everyone, I wonder if anyone could help me on this issue: I am currently performing design basis revision of air operated valves, and I need to obtain the values of Total Seating / Unseating torque and Total Closing / Opening torque (from 0º to 90º stroke) of a 1" Full Port Ball Valve...

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