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Maintenance of Vertical Pipeline Centrifugal Pumps: Special attention must be paid to the maintenance of vertical pipeline centrifugal pumps. Therefore, Nanjing Youfu Pump Industry has compiled articles on this topic for reference only. Maintenance of Vertical Pipeline Centrifugal Pumps I. Maintenance during the operation of vertical pipeline centrifugal pumps 1. The inlet pipeline must be highly sealed. 2. It is prohibited to operate vertical pipeline centrifugal pumps under cavitation conditions for an extended period of time. 3. It is prohibited for vertical pipeline centrifugal pumps to operate at high flow rates, causing the motor to experience excessive current levels over an extended period of time. 4. Regularly check the motor current value while the pump is in operation, to ensure that the pump operates under standard conditions. Maintenance of vertical pipeline centrifugal pumps 5. A dedicated person should be assigned to monitor vertical pipeline centrifugal pumps during operation to prevent accidents. 6. The bearings of vertical pipeline centrifugal pumps should be lubricated every 500 hours of operation. Motors with a power greater than 11 kW are equipped with a fueling system that allows direct injection using a high-pressure oil gun, to ensure optimal bearing lubrication. 7. After long-term operation of vertical pipeline centrifugal pumps, if the noise and vibration levels of the unit increase due to mechanical wear, it is necessary to stop the machine for inspection; if required, the vulnerable parts and bearings can be replaced. The general overhaul period for such units is one year. II. Maintenance of the mechanical seal of vertical pipeline centrifugal pumps 1. The lubricant for the mechanical seal should be clean, free of solid particles. 2. It is strictly prohibited for mechanical seals to operate under dry grinding conditions. 3. Before starting, turn the pump (motor) several times to prevent the seal ring from breaking or being damaged due to sudden startup. The above covers the relevant knowledge regarding the maintenance of vertical pipeline centrifugal pumps. By reading this article, one can gain a clearer understanding of these pumps. If you have any questions about related products, our online customer service will assist you promptly. Youfu provides submersible pumps, surface pumps, deep well pumps, sewage pumps, pump system products, and after-sales service, offering customized solutions for customers. Youfu is a global manufacturer of pump products and systems. We offer advanced products, services, and solutions to meet your diverse needs. Rooted in a commitment to innovation, Youfu is dedicated to continuous improvement of water pump technologies, products, and solutions. Youfu will continue to develop more energy-efficient, environmentally friendly, and cost-effective water pump and pump system products