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  1. Amir Sedieqy

    Electrical Isolation

    Thank You HTURKAK
  2. Amir Sedieqy

    Electrical Isolation

    Hello Guys, Underground Pipes which are connected to the tank are electrically isolated. I was wondering whether it is the same for Fire fighting and foam piping.
  3. Amir Sedieqy

    Expansion Joint connection to the crude oil tank

    Thank you guys, Based on what you said, an isolating valve is unavoidable, which means expansion joint shall have the same design pressure as the rest of the line.
  4. Amir Sedieqy

    Expansion Joint connection to the crude oil tank

    Hello, I have started similar threat in Pipelines, Piping and Fluid Mechanics engineering Forum, but Littleinch suggested to start it here. In a piping system connected to the outlet of a crude oil tank, process man has located the expansion joint after the valve which is connected to tank's...
  5. Amir Sedieqy

    Side entry mixer sizing

    Dear LittleInch The mixers have marine type propellers. The estimated power varies from 30 Kw to 55 KW.
  6. Amir Sedieqy

    Side entry mixer sizing

    Thank you Luis. The document was helpful. Referencing hand book of industrial mixing, it suggested at least 0.4hp per each kbbl. However, it's not enough, I need a more comprehensive estimation. I'll post it here if I found one.
  7. Amir Sedieqy

    Side entry mixer sizing

    I'm involved in purchasing a set of mixers for crude oil storage tank. The tank volume is around 98,500 cubic meter. The main purpose of the mixers is base Sediment & water control (cleaning). Deferent vendors offered different number of mixers with different required horsepower. I'm looking...
  8. Amir Sedieqy

    Cylinder's surface condition of gas springs (gas struts)

    I've discussed part of these question somewhere else, and Edstainless kindly gave me helpful instructions, but I realized I have to be more specific about it. I'm new to this forum and hope I'm doing the right thing. I'm planning to manufacture gas struts used in kitchen cabinets; therefore...
  9. Amir Sedieqy

    Removing inside weld line of a pipe

    What is the best and fastest way to remove the inside weld line of pipes with 16mm outside diameter and 1m thickness so a piston can reciprocate easily inside it? I have two options in mind. one is to have the inside of LSAW pipes machined, which might be laborious. The other option is to cold...
  10. Amir Sedieqy

    Pressurizing and sealing gas springs

    Prior to testing and probably painting, the last stage of manufacturing a gas spring or gas strut is pressurizing with Nitrogen. I was wondering how this step is done. I think it is filled with gas from the rod side and the rod seal works as an one way path, meaning, nitrogen gas is injected...

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