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  • Users: Big_Deddie
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  1. Big_Deddie

    Vacuum Relief Compression Spring Calculation..spinning my wheels

    I have been tasked with engineering a new vacuum relief valve for one of our products. I was given a vacuum relief valve, of a different design, and was told to match that relief vacuum (which is 15 in-Hg). The "plunger" in the supplied vacuum relief valve is Ø1 3/8". Using a positive chamber...
  2. Big_Deddie

    Forward and Reverse Linear Motion over a 24 foot span

    First post here (just as an FYI) and, yes, I did try the search function before posting. Did find some similar postings but not exactly what I was looking for. Any suggestions for a small drive motor that can move in forward and reverse directions with the flip of a switch? I have a device that...

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