Compute packing friction Ft, thrust pad friction Fu, and friction torque Mt from stem geometry and medium pressure.
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Stem packing friction force from packing stress and stem diameter.
Axial thrust pad friction from specific pressure and pad geometry.
Combined packing friction torque from stem and pressure loads.
Packing specific pressure computed from stem geometry and P.
Separate friction coefficients for packing and thrust pad.
Module 5 of 8 in the Floating Ball Valve design verification suite.
Input stem diameter dT, packing height Zh, and thrust pad diameter.
Enter design pressure P and friction coefficients uT.
Calculate packing friction force and thrust pad friction.
Sum friction torque from packing and thrust pad components.
Enter your design parameters and get instant verification results.
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