Gutierrez, Daniel A., Jose M. Garcia-Bravo, Aaron L. Reid, Brittany A. Newell, Paul McPherson, and Mark French. 2020. “Design and Modelling of a 90-Degree Ball Valve With a Linear Pressure Drop”. International Journal of Fluid Power 21 (1):1-26. https://doi.org/10.13052/ijfp1439-9776.2111.