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  1. ChemGuy2016

    Vertical Check Valve

    Installing a sewage pumping station, can the swing check valve be installed vertically? I'm concerned about solids getting lodged in the corner of the swing hinge, blocking the swing from opening. Does anybody have experience with this?
  2. ChemGuy2016

    Flow Transmitter Settings

    Hi everyone, I am new to instrumentation, so I'm hoping you can help me out. I'm wondering about setting the maximum flow rate of a flow meter during configuration. If I enter an incorrect flow range, will my readings be incorrect? It seems to me that the flow meter should always output the...
  3. ChemGuy2016

    Ideas for line tagging system?

    I know this has been discussed before, but I want to bring it up again: I would like to hear different people's methods of labeling lines on a set of multiple P&IDs. Right now I have 1"-SS1-001 (line size-pipe material-sequence number), but it gets very messy each time I add or delete a line. So...
  4. ChemGuy2016

    Measuring amount of settled solids

    Hello! Does anybody know of a good method to measure the amount (mass or volume) of settled solids in a settling tank over time? Thanks :)
  5. ChemGuy2016

    Nitrogen pipe/valve types

    Hello! I am still new to the field, and I'm not sure about this, but is there a standard/usual valve type to use on nitrogen lines? Or can I use the same valves that I'm using on liquid lines elsewhere? For example, if I have a 1" reduce-port ball valve on a liquid drain line, would it be...
  6. ChemGuy2016

    Compressed air pressure for valves

    I am wondering, what is a common range of air pressure required to actuate control valves? Butterfly and globe. Thanks!
  7. ChemGuy2016

    Vent height above roof

    For a roof-mounted tank containing combustible liquids, how high above the roof does the tank vent need to be?

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