Pipeline centrifugal pump maintenance is essential to ensure efficient and safe operation. Here are some key points to consider:
1. **Operational Maintenance**:
(1) Before starting the pump, make sure the inlet pipe is completely filled with liquid. Prolonged cavitation should be strictly avoided as it can cause serious damage to the impeller and casing.
(2) Regularly monitor the motor’s current value to ensure it does not exceed the rated current. Excessive current may indicate overload or internal issues.
(3) If the pump runs for an extended period, mechanical wear can occur. Pay attention to unusual noise or vibration, and stop the unit for inspection if necessary. Replace worn components such as seals and bearings during scheduled overhauls. It is recommended to perform a full overhaul every 12 months.
2. **Mechanical Seal Maintenance**:
(1) The mechanical seal must be properly lubricated using clean fluid without solid particles. Contamination can lead to premature failure.
(2) Never operate the mechanical seal in a dry grinding condition, as this can cause severe damage and reduce its service life.
(3) If the pumped medium has high viscosity or tends to crystallize, it's important to use steam to flush the seal after shutdown. This prevents clogging and protects the seal from damage when the pump is restarted.
For more detailed information on pipeline centrifugal pump maintenance and best practices, you can refer to Yixing City Zeus Pump Co., Ltd. Their technical resources offer valuable insights for both beginners and professionals in the field. Always follow manufacturer guidelines and conduct regular inspections to extend the life of your equipment.
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