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Centrifugal pumps require careful attention during operation to ensure optimal performance and longevity. First, avoid running the pump without water, as this can cause severe damage. Do not adjust the suction port to reduce flow rate, and never operate the pump at excessively low flow rates, which can lead to overheating and mechanical failure. Second, continuously monitor the pump’s operation and ensure that the packing box does not leak. Replace the packing when necessary to maintain a secure seal. Third, ensure that mechanical seals are fully flushed with water, and avoid using excessive water for cooling bearings, as this can waste resources and affect efficiency. Fourth, use only the recommended amount of lubricant—too much can cause overheating and internal damage. Fifth, follow the manufacturer's maintenance schedule and keep detailed operating records. This should include operating hours, adjustments or replacements of packing, lubrication intervals, and other maintenance activities. Additionally, regularly measure and record key parameters such as suction and discharge pressure, flow rate, input power, temperature, and vibration levels of the bearings. Sixth, it's important to note that centrifugal pumps rely on atmospheric pressure to lift water. The maximum height they can lift water is approximately 10.3 meters due to atmospheric pressure limitations. Therefore, if the pump is required to lift water from a depth greater than 12 meters, it may not function properly. Wenzhou Yuan En Fluid Equipment Co., Ltd. specializes in producing high-quality centrifugal pumps, self-priming pumps, vacuum pumps, and negative pressure pumps. Their product line includes sanitary self-priming pumps, affordable centrifugal pumps, and a wide range of models to suit various industrial and commercial needs. For more information or to place an order, please contact them directly via phone.