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Recent content by MartinSS

  1. MartinSS

    Naming of Pressure Test

    Yes the system is built acc. to div. ASME codes, the equipments to ASME VIII Div 1, the HXs to TEMA Cl.B, etc. The pressure test is not only for the piping system, but also for the equipments with this pressure: design pressure x 1.3 x material factor Do you call it "hydrostatic pressure test...
  2. MartinSS

    Naming of Pressure Test

    Hi all, what do you call something like this: after installation and piping of equipments, you close some valves so that you have a closed system with some equipments connected. Then from the highest point of the system you apply a certain pressure to see if the welding etc are tight. Do you...
  3. MartinSS

    5/8" O.D. tubing, is it normal?

    Hi, is it normal to order a tubular heat exchanger with 5/8" O.D. tubings in the US? Do the vendors have to procure them specially so that this will make more cost than ordering a heat exchanger with 3/4" tubings? Thank you in advance.
  4. MartinSS

    Tubular heat exchanger: US way of writing tubing specs

    Thank you jt and Christine for your help! Martin
  5. MartinSS

    Tubular heat exchanger: US way of writing tubing specs

    Hi all, my questions might be common sense for you all, but for me as a non US, some questions pop up in my head. My questions are about how people in the US usually writing the specifications for tubing in tubular heat exchangers. I need to write technical specifications for inquiries. 1...
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