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例如，当处理含有颗粒的浆液时，错误地选择了一台普通的清水泵（叶轮材料不耐磨），经过1个月的运行后，由于叶轮严重磨损，流量骤降；

在运输高粘度介质（如糖浆和树脂）时，没有考虑到头部的粘度衰减，选择了标准离心泵，实际流量仅为设计值的60%，无法满足生产需求。

在极端环境中（例如中东沙漠的高温工作条件和北欧的极寒地区），未选择能够承受高低温的密封件或润滑剂，导致泵运行期间密封泄漏和轴承锁死。

The pumps purchased by EU customers did not pass the CE certification (such as the safety protection requirements in the Machinery Directive 2006/42/EC), or the energy efficiency did not meet the standards (ERP Directive required the energy efficiency level of pumps), and the goods were detained by the customs due to non-compliance with the standards after arriving at the port, and the project was forced to be postponed.

The process pumps purchased by customers in the U.S. oil and gas industry did not meet API 610 (petrochemical pump standard), and could not pass the owner's acceptance due to materials (such as wrong selection of low-temperature steel) or vibration limits, so they needed to rework and replace parts,and invested hundreds of thousands of dollars in additional rectification.

Food industry customers started production in Southeast Asian countries, and the lack of hygienic certifications (e.g., 3-A, FDA) for pumps led to products being stopped by local regulators due to "equipment contamination risks".

国际物流和备件供应的不确定性常常使客户处于被动状态。南美客户购买的大型工业泵的交货时间因海运拥堵（如巴拿马运河水位过低）从3个月延迟至6个月，设备在项目土建完成后也被延迟，工厂调试计划被搁置，导致每天损失数万美元。

After the slurry pump impeller of the African mining customer wears out, because the supplier has no spare parts inventory in the local area, it takes 4 weeks (including customs clearance) to transfer goods from China.

欧洲客户的化学泵机械密封泄漏，急需更换，但供应商的备件代码与当地通用标准（如DIN）不匹配，导致维修间隔延长至2周。

在为中东客户安装水平离心泵时，由于基础不平整和锚栓固定不均，运行过程中振动值超过了标准（最高达到15mm/s，远超标准的4.5mm/s），并且在3个月后轴承烧毁，联轴器断裂。

当东南亚客户调试逆变器离心泵时，频率未根据介质粘度进行调整，默认设置为清水参数，导致泵长时间运行在“过载区”，电机绝缘层老化，6个月内烧毁两次。

在北美食品工厂安装卫生旋转叶片泵时，密封圈反向安装的残留物（未注意食品级方向标记）导致材料残留细菌，产品抽样检验不合格，整批货物被报废。

The irrigation pump of an 澳大利亚农场客户 was not cleaned regularly due to impeller scaling (water source contains high calcium and magnesium ions), and the flow rate dropped by 30%, but it was mistaken for a motor failure.

东欧化工厂的磁力泵因其“无轴密封”特性而被选中，但客户并未意识到“磁耦合器去磁风险”，经过6个月后，发生了磁性故障，介质泄漏（尽管没有轴密封，但内磁铁磨损），导致车间停工3天。

非洲金矿的泥浆泵经常被堵塞，客户无法判断是“叶轮溢流面积不足”还是“进料管道泄漏”，供应商不得不派工程师从中国出发进行为期15天的往返旅行，在此期间，停机损失超过一百万美元。

为了减少预算，印度客户购买了一台低成本的铸铁离心泵（而不是不锈钢）来处理弱腐蚀性废水，初始购买成本低了30%，但经过6个月，泵壳出现了腐蚀和穿孔，维护+生产停工损失远远超过了价格差异。

El cliente sudamericano eligió una bomba con una calificación de eficiencia energética de IE2 (que no cumplía con el estándar obligatorio local IE3), pero fue sancionado por las autoridades regulatorias al año siguiente con una "multa por eficiencia energética" adicional y una factura de electricidad operativa a largo plazo que fue un 40% más alta de lo esperado.