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  • Users: mec5216
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  1. mec5216

    Flow leakage across wear rings

    Hello Does anyone know an equation to calculate the flow leakage through clearances between wear rings?? Thank you
  2. mec5216

    Thermoshyphoning in sealing

    hello According to API 682 (shaft sealing systems for centrifugal pumps), the API plan 23 requires the heat exchanger to be placed some high above the mechanical seal in order to provide thermoshyphoning, what would help the pump ring to delivery head to make the sealing system work. Although...
  3. mec5216

    heat exchanger leakage

    hello I'm facing a situation at work with heat exchanger in a pump sealing plan. It's a coil heat exchanger, wich runs with fluid to be cooled at 260ºC (500°F) in the coil and water at 25ºC (77ºF) at the shell. But it doesn't even last 3 weeks running properly. There's always a hole that...
  4. mec5216

    exit angle of an impeller

    Hello Is there any way I could measure the exit angle of an impeller?? Thank you!
  5. mec5216

    liquid ring pump locked up!

    Hello! In the process plant I work, we have a NASH luquid ring vacuum pump. It was working very well, until it suddenly locked up. We have been told by the operators that the pump operated for some time with no sealing luquid. When we opend the pump to see what was going on, we found that the...

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