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  1. ANTONITO

    Inserted seat ring

    Ok, thank you very much for your reply. So now, could anyone give me the name of some manufactureres of inserted seatrings? Thanks in advance.
  2. ANTONITO

    Inserted seat ring

    Hello all, I would like to know how do the insert a PTFE ring (form example) into the seat ring. I mean, I would like to know the process to do an inserted seat ring, which machines do they use,etc. Thanks in advance.
  3. ANTONITO

    Welding design and closure thickness in a "fully welded three pieces ball valve"

    Hi, Can anyone help me? Thank you
  4. ANTONITO

    Welding design and closure thickness in a "fully welded three pieces ball valve"

    Hi, I have some doubts in a fully welded three pieces ball valve. 1- I have simulated with FEM the welding I need for my valve (I'm talking about the welding between the closure and the body). But I would like to know if there is any Standard which defines the minimun welding thickness. I...
  5. ANTONITO

    running-torque_ball valves

    Thank you very much Muktiadi, This is a trunnion ball valve. I know how to calculate the break to open torque, as it is an static situation, where of course the points who are important to calculate it are the packing friction, seat-ball friction, and also the pressure force in the ball which...
  6. ANTONITO

    running-torque_ball valves

    Hi guys, do you know how much does the fluid flow and the turbulences influence in the running torque in ball valves? Thanks.

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