![EP2365236A1 - Ball valve seat which is constructed by equilateral triangle sectioning method and ball valve including it - Google Patents EP2365236A1 - Ball valve seat which is constructed by equilateral triangle sectioning method and ball valve including it - Google Patents](https://patentimages.storage.googleapis.com/61/c0/e5/adbd858b67ee3b/imgb0011.png)
EP2365236A1 - Ball valve seat which is constructed by equilateral triangle sectioning method and ball valve including it - Google Patents
3.3 Design Basis Valve Stem Torque For rotating-stem valves (ball, plug, and butterfly), the torque needed to operate the valve
How to calculate the amount of contact area between the ball and seat to obtain a particular torque valve in a ball valve - Quora
![simulationHub on Twitter: "To achieve an accurate actuator sizing, it is important to precisely calculate the total torque applied on the valve shaft. Torque calculation made easy using @simulation_hub Autonomous Valve CFD simulationHub on Twitter: "To achieve an accurate actuator sizing, it is important to precisely calculate the total torque applied on the valve shaft. Torque calculation made easy using @simulation_hub Autonomous Valve CFD](https://pbs.twimg.com/ext_tw_video_thumb/1264928422473670657/pu/img/o4fUVGlgF566KeOt.jpg:large)