How to deal with leakage caused by sand holes in the water pipes of the bearing housing cooling water chamber
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There are sand holes in the cooling water pipe of the centrifugal fan bearing housing, causing leakage during operation; how should this be addressed? The material is cast iron; can it be repaired using copper welding rods? Can lead paint be applied to pitted areas?
Use welding rod to repair it; remember, the welding rod model is A508
How about trying a metal repair kit?
For minor sand holes, it’s more convenient to use a metal repair agent; you can ask the manufacturers of such agents. Just determine the material and medium. The performance is acceptable.