Author – Huafilter

William Leo

Senior Hydraulic Systems Engineer

Welcome to the official page of William Leo, a distinguished authority in hydraulic lubrication systems and mechanical engineering. With an extensive 37-year career dedicated to hydraulic lubrication technology, William offers profound expertise and practical wisdom in system analysis, performance enhancement, and custom technical solutions across diverse industrial applications.

Technical Publications

How Do You Adjust a Hydraulic Flow Control Valve? →
What is the Difference Between PSV and PRV? →
What is a Hydraulic Station & How Does It Work? - Complete Guide 2025 →
What is a Proportional Valve? →
Directional Control Valve: A Complete Guide →