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  1. bellzinc

    Expansion Joint required?

    How can i dtermine if i will need an expansion joint in a Heat exchanger. i'va as data the usual data of pressure, temperature & material...
  2. bellzinc

    WRC 107 bulletin, Design factor

    In WRC 107, we have to choose a design factor between 1 to 3. What is the signification of that factor and how we choose this factor. Thanks in advance
  3. bellzinc

    HYDRO TEST FOR VESEL DESIGNED TO 15 PSIG

    The difference between Hydrotest to 1.3 x P is that you have to blank all the openings, for big opening ( in this case up to 88" dia ) add a blank, hydro test remove the blank, bevel the edges ( to field install )this could take somme time and cost. Hydro test full of water would required...
  4. bellzinc

    HYDRO TEST FOR VESEL DESIGNED TO 15 PSIG

    We manufactured a condenser designed tube side 80 PSIG & shell side 15 PSIG constructed as per ASME. ASME U1 stated thet 15psig design is not covered by ASME. Still our customer wants the shell side Hydro tested with 1.3 x 15 PSIG =19 PSIG as per ASME. We try to convince them that hydrotest...
  5. bellzinc

    DESIGN FACTOR IN WRC 107

    In WRC 107, we have to choose a design factor between 1 to 3. What is the signification of that factor and how we choose this factor. Thanks in advance

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