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  1. jbag

    Galvanised Steel Pipe Internal Roughness?

    I perform calculations on a regular basis for water and compressed air supply to underground coal mines. The standard piping used for these services is victaulic galvanised steel pipe and as a basis for the calculations we have tried to determine a suitable internal surface roughness for this...
  2. jbag

    Orifice Plate Sizing

    Hi, Does anyone know of an equation to calculate the diameter of an orifice in a thin-edged orifice plate for a particular K-value (loss coefficient)? In particular, for water or slurry duties. Thanks in advance, jbag

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