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  1. Marcelo Pires

    Minimum wall thickness of a valve (AWWA C504 and AWWA C516)

    Hi, I have been calculating the minimum wall thickness according to AWWA C504 which gives tabulated values for valves from 3 to 72" and I saw that for a 72" inches, the wall thickness must be greater than 60,3mm and then I moved to AWWA C516 to check the formula and I realized that for a 78"...
  2. Marcelo Pires

    Calculating Nominal Design Stress (f) (BS EN 12516-2)

    I am currently using BS EN 12516-4: 2014, you can see the file attached, I guess this issue has been corrected.http://files.engineering.com/getfile.aspx?folder=1c8438de-1c57-4f2c-9bf7-adb67fb66fd7&file=BS_EN_12516-4_2014.jpg
  3. Marcelo Pires

    Calculating Nominal Design Stress (f) (BS EN 12516-2)

    @ManoloGalarraga I didn't know this.. thanks. By the way, where in the standard it is stated? I am making the question because I am using the resulting "f" value to calculate the minimum wall thickness of a valve regarding BS EN 12516-2.
  4. Marcelo Pires

    Calculating Nominal Design Stress (f) (BS EN 12516-2)

    @ManoloGalarraga Thanks for your reply, EN 12516-4 does not mention this material, howcome do you know the SF should be around 3,5?
  5. Marcelo Pires

    Calculating Nominal Design Stress (f) (BS EN 12516-2)

    Hi, I have been studying BS EN 12516-2 where it mentions the calculation method for steel valve shells and my question is how to calculate the "f" value for the wall thickness calculation. There is a table (table 2) mentioning that it should be calculated regarding the steel, nevertheless I am...

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