Directional control valves – then and now

Here’s another Flint Hydraulics Tech Tip: In the early days of automated grading, the only practical valve solutions were “industrial valves,” those used in factories – not on mobile equipment. When these valves were used to automate earth-moving machines, additional valves had to be installed, resulting in a mass of valves, hoses, adapters, tubes, etc. All this forced into the confined space of a mobile machine was unsightly. Not so today!

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