The quality of this Jiangsu water pump is really poor

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Last year, due to the failure of a spare boiler feed pump in the workshop, we urgently purchased a boiler feed pump. After price comparison, although Jiangsu Shuangda Pump was expensive, it had the shortest manufacturing cycle and a good reputation, so we selected this supplier. However, after it arrived, I found that its appearance and workmanship can be described as appalling (much worse than the pump next to it). Moreover, the stuffing box did not have cooling water, which made people doubt that it was produced in-house. Since the size of the pump is inconsistent with the original one, the pipeline needs to be modified, and it is a continuous production device and cannot be installed in time, so I cannot immediately test whether it can operate normally. This year, I took advantage of the maintenance opportunity to install and test the water pump. The medium is 95°C deoxygenated desalted water. After operation, the current is relatively high (compared to the original pump and compared to the rated current). Not long after, I found that the drain plug at the outlet of the water pump popped out (horror: funk:). After stopping the pump, I found that all the plugs were made of plastic. (The other party reported back that they didn’t know we were pumping hot water. I immediately refuted it. Your technicians also came to the site to check. Moreover, my procurement process requirements were also clearly written. If it doesn’t work, isn’t the boiler water pump just for pumping hot water? Moreover, with such high pressure, the plugs are made of plastic:@? ), without further ado, let’s look at the pictures (the pictures were returned to the factory, added with fillers and cooled, and then taken on site)