If packing in a pump is not maintained properly, what may happen?

When packing in a pump is not maintained properly, one potential consequence is the loss of suction due to air entering the pump. The packing material is designed to create a seal around the shaft, preventing air from entering the pump casing and ensuring that the pump can maintain the necessary suction to draw fluid effectively. If the packing becomes worn, damaged, or improperly adjusted, there can be gaps that allow air to seep into the system. This can disrupt the hydraulic balance inside the pump, leading to cavitation, reduced efficiency, and potential operational failure.

Maintaining proper packing in a pump is critical not only for ensuring that the pump operates efficiently but also for preventing other potential issues, such as decreased performance and increased wear on components. By preventing air ingress, the system can maintain continuous suction and deliver consistent flow, which is vital for effective wastewater management.