Explaining Why Seal Failure is a Significant Challenge in Slurry Pumps

In order to move corrosive and abrasive liquids containing solids, slurry pumps are extensively employed in a variety of industries, including mining and mineral processing. Sealing is a problem that arises frequently while using slurry pumps. Issues with seals can have a big impact on the environment, maintenance costs, and downtime.

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A slurry pump's sealing system guards against slurry leakage to the environment and guards against the slurry's damaging and abrasive effects on the pump's bearings and other components. Seals in slurry pumps must withstand high pressure, high temperature, and corrosive and abrasive wear. Based on the exact application and the make-up of the slurry being pumped, a slurry pump's seal type will be chosen.

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The solid particles in the slurry generate abrasive wear, which is one of the main causes of sealing issues in slurry pumps. The seals may quickly wear down as a result of the abrasive wear, resulting in leaks and environmental damage. The seals may be attacked by the slurry's corrosive qualities, which could eventually lead to their failure.

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The fact that the seals in slurry pumps are subjected to high pressure and high temperature, which can cause the seals to expand and contract and result in leakage, is another problem with sealing in slurry pumps. Even worse leakage issues may emerge from the seals deforming or cracking as a result of the high pressure and temperature.

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In addition to these difficulties, slurry pump design might also affect sealing issues. Seal cavitation brought on by poor design can hasten seal wear out and raise the possibility of leaking. It is crucial to pick a slurry pump that is especially made for the kind of slurry being pumped and the needs of the particular application.

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It is crucial to utilise high-quality seals that are especially made for the type of slurry being pushed in slurry pumps in order to reduce sealing issues. Additionally, it's critical to frequently check on and maintain the seals to make sure they are working correctly and to head off any potential issues.The correct operation and maintenance of the slurry pumps depends on the individuals who operate and maintain them receiving the appropriate training.

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In conclusion, sealing is a significant issue with slurry pumps, and it's critical to understand the difficulties and causes of sealing issues. The likelihood of sealing issues in slurry pumps can be reduced, minimizing downtime, maintenance costs, and environmental effects by employing high-quality seals, routine maintenance, and appropriate training.

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PABT offers three unique sealing configurations with the Curve® range of Slurry Pumps, depending on your specific pumping application. You can read more about our Sealing arrangement here.