Don't miss PART 2: https://www.youtube.com/watch?v=o-A_9nFpzek Let's learn about hydraulic directional control valves — 4 port, 2 position and 3 position, closed center and float center. Sign up for more at https://lunchboxsessions.com Follow us for updates every week when we post a new video: LinkedIn https://www.linkedin.com/company/cd-industrial-group-inc- Facebook https://facebook.com/lunchboxsessions Google+ https://google.com/+lunchboxsessions Twitter https://twitter.com/lunchboxsession LunchBox Sessions is made by the fine folks at CD Industrial Group Inc. http://www.cdiginc.com