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What is the impact of multi-stage centrifugal pumps on medium parameters?

2025-07-27View Original

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Our factory’s grade 9 horizontal centrifugal pumps have design parameters of an inlet pressure of 0.2 MPa and a temperature of 110 degrees. Currently, the inlet pressure is 0.8 MPa and the temperature is 170 degrees. In the past, the only issue with these pumps was seal leakage, and replacing the seals resolved that problem. But now, the shaft bearings keep getting worn out, and at the same time, the seals also leak due to improper functioning. Dear sea friends, could you explain why this happens? What impact will changing the parameters in this way have on the pump?

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