What are the causes of leakage in high corrosion-resistant and wear-resistant multi-stage pumps?

Category: Water pump knowledge

2025-05-05

High-corrosion-resistant, wear-resistant multi-stage pumps are widely used in industrial fields for handling various corrosive media and fluids with high solid particle content. However, leakage sometimes occurs during operation, affecting efficiency and lifespan. Various reasons contribute to this, including:

1. Mechanical Seal Issues: Mechanical seals are crucial components preventing media leakage. Seal failure leads to leakage, caused by wear, uneven sealing surfaces, or improper installation.

2. Media Corrosion: Some media are highly corrosive, eroding pump bodies, impellers, and seals, causing leaks. Solid particles in the media also cause wear and leaks.

3. Harsh Operating Environments: High temperature, pressure, or vacuum operation stresses the pump, causing deformation or seal failure and leakage.

4. Improper Maintenance: Lack of maintenance, such as not replacing worn seals or cleaning accumulated impurities, leads to leaks.

5. Vibration and Overload: Excessive vibration or overload during operation can loosen or damage components, causing leaks.

6. Other Factors: Casting defects or improper material selection can also cause leaks.

To reduce leakage, consider these measures:

1. Choose appropriate mechanical seals and materials for different media and operating conditions.

2. Regularly maintain the pump, checking seals and cleaning impurities.

3. Optimize the operating environment, avoiding prolonged operation under high temperature, pressure, or vacuum.

4. Reasonably arrange the process flow to avoid pump overload.

5. Train operators to improve skills and prevent operational damage.

In summary, leakage in high-corrosion-resistant, wear-resistant multi-stage pumps has various causes requiring comprehensive analysis and solutions. Proper maintenance and operation effectively reduce leakage, improving efficiency and lifespan.

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