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  • Users: Dainuri
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  1. Dainuri

    Back Pressure in InstruCalc

    Dear All, I got a calculation of Relief valve using InstruCalc Ver 5.1 from chemical engineer. in the calculation there are input and output. in the input, there is "Total Back Pressure = 30 kPag and, in the output, there is "Max back Pressure = 60,89 kPag, can anyone tell me the difference...
  2. Dainuri

    upscale venturi tube pressure drop

    Hi All, I have a problem with Venturi Tube, The venturi was designed with pressure drop 0 - 2500 mmH2O. Actually when the process online, the Flow Indicator showed always the max flow rate where theoretically the flow rate was only 80% from the maximum. I have checked all of the instrumentation...

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