NPSHa

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Small app to calculate the Net Positive Suction Head (NPSH) available for an installation of centrifugal pump.

Fill up the data:

1. If the suction is connected to a closed tank, fill the internal pressure, otherwise "0" to indicate atmospheric pressure;

2. Local altitude [m];

3. Temperature [°C];

4. Head losses in the suction pipe [m];

5. Suction static head [m];

The app will calculate the available NPSH, absolute pressure at the liquid surface, vapor pressure and liquid density corrected by temperature.