More in Hydraulic Valves

  • Oct 4, 2013
    Article

    Think First, Then Troubleshoot — Chapter 12: System Test for Flow-control Valves

    Pressure-compensated flow control valves maintain a constant fluid flow through a variable orifice in the valve. The valve’s compensator spool will move toward an open or closed position in response to work-load changes....More
  • Sep 25, 2013
    Article

    Think First, Then Troubleshoot — Chapter 11: Pressure-reducing Valves

    Pressure-reducing valves are normally open, 2-way valves that allow system pressure fluid to flow through them until a set pressure is reached downstream. They then shift to throttle flow into the branch....More
  • Sep 18, 2013
    Commentary

    Having issues with counterbalance valves?

    If a hydraulic circuit containing counterbalance valves is acting erratically, the problem could be high hysteresis — a counterbalance valve's biggest enemy. But don't take my word for it, check out a classic article from an expert we just pulled from the archives and posted to the website. Just click here to read it now....More
  • Jun 9, 2013
    blog

    The Old Timer Part 25: Old Habits are Hard to Break

    The Old Timer of Royal Oak, Mich., was a regular contributor to H&P years before we ever even heard of the internet. But most of his advice is just as useful — and interesting — today. So rather than leave his wisdom printed on pages archived in our storage room, I pulled out issues from the late 1980s and early 1990s and have been reproducing relevant entries in this blog. Here is my 25th, and final, installment from the series. It was originally published in the February 1990 issue:...More
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