Selection of seal water pressure for single-stage centrifugal pumps
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The medium entering the single-stage centrifugal pump is quite dirty. The pressure difference between the inlet and outlet is quite significant; must the seal water pressure be higher than the outlet pressure, or is it sufficient if it’s higher than the inlet pressure?
It’s sufficient for water to serve as a cooling and lubricating agent
The pressure of the sealing water must be higher than the pressure in the sealing chamber
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