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  • Users: glowing
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  1. glowing

    control valve sizing question

    I was wondering what the best practice is for this... If I have a pump distributing a liquid reagent, I can determine P1 (upstream) via the pump curve. However, what does one normally do for P2? I was recently talking to a vendor about a couple valve and had only the upstream pressure. One...
  2. glowing

    sub panels

    We are adding a bunch of offices for temp use via adding on some trailers. These trailers come fully wired eith distribution panels. What I want to do is drop in an 800A main panel, and put an individual breaker feeding each of the sub panels with 80 and 100A circuits. The problem is that our...
  3. glowing

    DCS

    Hello all. Through my career I have worked primarily on Emerson and Honeywell DCS systems, with a small amount of others such as Yokagawa mixed in. Now, I am being asked to look into Foxboro A2. As I have never been around these, I was hoping I could get some pros/cons/highlights/experience...
  4. glowing

    lime seperation from oil

    Wasn't too sure where to post this topic. We have a couple of applications where lime is being entrained in oil for milling trunnions. I know the root cause is that we should be ripping these apart and rebuilding seals, but it is just not feasible in the near future. So, I am looking for...
  5. glowing

    High cycle valve

    Hello all. We have a bit of a pet project. We are looking for a high cycle valve. Right now we can only really hink of a cam driven full rotation valve. Ideally, we would like to use a solenoid valve, but will eventually need something at 1000+ RPM, so I don't know how realistinc that is. I...
  6. glowing

    Fisher Valve Paint

    Hi, has anyone ever matched to paint (green and or grey) for fisher valve and willing to pass along the info? We are sandblasting a pile of them. Because of my remote facility it is dificult for me to bring in a sample. thansk in advance.
  7. glowing

    Flow switch!

    I have been having a really hard time with a problem on site. We presently use a paddle wheel style flow switch for HVAC/ventalation low flow indication. I strongly dislike these unreliable and hard to set up switches. I have been tempted to go toa 3/4 four wire velocity/flow transmitter, but...
  8. glowing

    SO2 monitoring

    not sure if this is the right area to post this, but here it is anyways... SO2 analysis in stack emitions....is there a standard for cal gas factor. say your emitions are typically at 100 ppm, should your cal gas be say 100ppm x 10 = 1000ppm. It has been deemed that we should have a cal gas...
  9. glowing

    SO2 monitoring

    not sure if this is the right area to post this, but here it is anyways... SO2 analysis in stack emitions....is there a standard for cal gas factor. say your emitions are typically at 100 ppm, should your cal gas be say 100ppm x 10 = 1000ppm. It has been deemed that we should have a cal gas...
  10. glowing

    Lime Valve

    hello, I am in the midst of looking for a new lime addition valve. We currently have a pnumatic system, with a solenoid being energized/de-energized at given time intervals. The Lime is in liquid form, and flows into an open tank via a 1" line with a pinch valve. We would like to get rid of...

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