The inlet flange of the pipeline pump is cracked; can it be repaired by welding?
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The inlet flange of the pipeline pump is cracked; can it be repaired by welding?
The pipeline is cleaned, cut, and re-piped; even if the flanges can be welded together, the seal will not be very good
Is it cast iron? It’s better to just replace it with a new one
Was this flange a bit bent when you bought it? It seems like it’s broken:L
It is estimated that the pump and pipeline flanges were tilted, causing them to break
It’s cast iron, and it won’t weld well either. I agree with what was said above – the pipe and the pump aren’t aligned properly. It feels a bit like it was forced to break.
Even after welding the cast iron, it doesn’t work; replace it with a new pump casing head
If it’s just a clean water pump for which strict requirements are not imposed regarding medium leakage, then a new flange can be installed. There are special cast iron welding electrodes available for this purpose; one can consult those who specialize in welding, and it won’t have any impact on the pump. Just don’t touch the volute.
It seems to be the inlet section; I’m not sure if the pressure is high, whether there is any leakage, what type of medium is used, and whether it can be used after adjusting the pipe stress (or if special clamps are needed to prevent leakage). If that doesn’t work, replace the pump casing; welding cast iron won’t last long either.