Case 4: in a Dahua Group Co., Ltd. in Henan Province, the flange (DN2000 MF) on the large heat exchanger needs to be repaired, and the construction conditions on the project site are very poor, the flange direction is inverted, and the maintenance space is narrow. According to the flange size and material, the flange end face processing machine mm2000i is selected. In addition, before the construction, the scaffold is required to install the machine base flower plate. Due to the difficulties in site construction, it is necessary to coordinate with customers for high altitude operation, dangerous operation and other problems, and the final project is successfully implemented with ideal maintenance effect.

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