Mechanical Seal Installation, Operation Instructions and PrecautionsBefore installation, ensure that the shaft (or shaft sleeve) and gland are free of burrs. The shaft surface roughness must be no less than Ra1.6, the shaft outer diameter tolerance should be h6, and the surface roughness should be R

Recently, Zhejiang Hongmi Technology Co., Ltd. received an urgent support request from the BYD factory in Shaoguan, Guangzhou—key water pump equipment in the production line had encountered abnormalities, directly affecting normal production progress. Upon receiving the feedback, Hongmi responded wi

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