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  • Users: Sweguy
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  1. Sweguy

    Design acc. to API 6D

    Hi I have a question regarding how the drive train in ball valves is allowed to be designed. I don`t have the standard in front of me right now but I will try to remember. The design torque is 2x the calculated torque for the valve. When the design torque is applied on the valve the stresses...
  2. Sweguy

    Thermal expansion on weld coated bar

    Hello I have a problem that I can`t find any information about in books or internet so I will try this forum. Let`s say that you have a bar Ø100mm in 316 material. This bar is coated with 2,5 mm of weld that has a lower thermal expansion coefficient. How can I calculate the total expansion...

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