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  • Users: JBartlett
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  1. J

    Groove Piston & Bore Diameters For 112 Quad Ring

    Hello, would anyone be able to help me figure out the correct groove, piston rod and bore diameters to suit a 112 quad ring? I've checked these recommended diameter charts for dynamic use O rings from Parker and All Rings but they all give me different diameters, see below. Parker 112 O Ring...
  2. J

    Valve at inlet side of pump

    Hi everyone, I'm thinking about building a piston type valve and placing it near the inlet side of a pump but my concern is that the piston may rise up due to suction at the inlet which I don't want to happen. I'd really appreciate it if anyone could assess this drawing and determine if this...

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