Introduction to Proportional Valves (Part 1 of 2)

This lecture, published by Columbia Gorge Community College, provides an introduction to proportional valves. Discussed in the presentation are how proportional valves control both the flow rate and direction, proportional valve construction, proportional valve performance data, acceleration and deceleration control made possible by ramp generators, and more. The recording runs 15:27 minutes in length and part two is available to view separately.