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  1. ElectricMech

    Unequal Wall Thickness

    I am trying to weld together two different wall thicknesses due to availability of material. The difference is 0.093 inches. I know that in B31.8 I can go all the way to 3/32. However, this is 31.3. Can anyone point me to the code and section I should be looking in? I have looked through 31.3...
  2. ElectricMech

    Pipe questions - Induction Bends

    Can anyone answer any of the following questions: Where I can find the specified ovality of a pipe? Is this something that is provided, from a table, or is there a rule of thumb? In doing an induction bend calculation it asks for the set minimum wall thickness (%). This is different from the...
  3. ElectricMech

    CO2 Removal

    Hello, I have a gas stream that has 12% CO2 in it. I need to knock it down to pipeline quality (2%). The recommended method based on the GPSA is to use Amine. However it has been requested that I try to use a physical solvent. I dont know if it is even possible to do so. Can anyone point me to...
  4. ElectricMech

    Mechanical Interlocks On MCC's

    I'm trying to indicated where a mechanical interlock should be so the panel supplier knows where this needs to be tied to. I'm not really experienced in this area and all I know is that it needs to be either on the MCC or the stand alone breaker. How do I find the stand alone breaker on the...
  5. ElectricMech

    Regulations for Water Pipelines

    Can anyone tell me if there is a regulation (USDOT) for water that would be equivalent to the Hazardous Material Regulations? Not used to doing water...always do something like NGL. Thanks!

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