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  • Users: danschwind
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  1. danschwind

    Gas Compressor Performance Deviation and Evaluation

    Hi everyone, I’ve been comparing my compressors with the expected performance curves supplied by the OEM (I have multiple MW curves) and things are going well, where I often see a degradation on the compressor both on a polytropic head basis as well as on a polytropic efficiency, as expected...
  2. danschwind

    Spacing of perimeter fence grounding rods

    I’m dealing with a problem regarding the required spacing for grounding rods used to ground perimeter fences for an industrial installation. The installation(s) itself is a fuel distribution facility, with vertical tanks storing gasoline, diesel and ethanol, plus all the required ancillaries for...
  3. danschwind

    Avoid rainwater drips with dirt on tank shell to decrease repaint rate

    Dear colleagues, I am studying an issue for my client and I have stressed my ability to search any existing solution for it. The issue: My client owns hundreds (literally) of API 650 vertical storage tanks at various fuel terminals nation-wide (not USA!). As a premise, they are all fixed...
  4. danschwind

    Internal floating roof tanks level switch installation

    Dear colleagues, One of my clients asked me if I knew any method to install a level switch (for overfill protection) in vertical atmospheric tanks with internal floating roofs while the tank is in operation. The tanks would be mainly storing gasoline (although some may be operating with other...

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