# \#directional-control-

**URL:** https://forumautomation.com/tag/directional-control/83.md

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## [Half-Wave vs Full-Wave Rectifier](https://forumautomation.com/t/half-wave-vs-full-wave-rectifier/14485)

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**Author:** [@TSRS](https://forumautomation.com/u/TSRS)\
**Replies:** 0\
**Last updated:** [October 8, 2026, 4:16pm UTC](https://forumautomation.com/t/half-wave-vs-full-wave-rectifier/14485 "2026-10-08T16:16:50Z")

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Half-Wave vs Full-Wave Rectifier A half-wave rectifier converts only one half-cycle of AC into pulsating DC, while a full-wave rectifier utilizes both halves of the AC waveform for improved DC output. Half-Wave Rectifie…

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## [How do we read a valve symbol?](https://forumautomation.com/t/how-do-we-read-a-valve-symbol/10920)

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**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\
**Replies:** 0\
**Last updated:** [March 2, 2023, 3:52am UTC](https://forumautomation.com/t/how-do-we-read-a-valve-symbol/10920 "2023-03-02T03:52:34Z")

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To direct oil into various hydraulic system circuits, directional control valves are employed. The first factors to take into account are the maximum flow capacity and the pressure drop through the valve. Directional …