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Centrifugal pumps require careful attention during operation to ensure efficiency, safety, and longevity. First, avoid running the pump without water, as this can cause severe damage. Do not adjust the suction port to reduce flow, and never operate the pump at excessively low flow rates, as this may lead to overheating or mechanical failure. Second, continuously monitor the pump’s operation and make sure there is no leakage from the packing box. When replacing the packing, always use new material and ensure it is properly installed. Third, for mechanical seals, ensure a full and continuous flow of flushing water. However, for water-cooled bearings, avoid using excessive water flow, as this can waste resources and affect performance. Fourth, do not over-lubricate the pump; follow the manufacturer's guidelines on the amount and frequency of lubrication. Fifth, maintain a regular maintenance schedule and keep detailed records of all operations. This should include operating hours, packing adjustments and replacements, lubricant additions, 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 pump and its bearings. Sixth, it's important to note that centrifugal pumps rely on atmospheric pressure to lift water. Since atmospheric pressure can only support a water column of about 10.3 meters, centrifugal pumps are generally unable to function effectively when the water source is more than 12 meters above the pump. 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 applications. For more information or to place an order, please contact their sales team at the provided phone number.