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Hello guys, Long time I'm not visiting this site :) This time I would like to know about running clearances between rotating and stationary parts. Is anyone here can show or have an experience when define running clearances on wear ring/ bushing? Now I have trouble with this topic, pump...

Eduvilella, The same as EdStainless, use replaceable shaft-sleeve with harder incresed rather than change the shaft or maybe coating the shaft. Easy way, also economist.

Replica, Mostly galling in wear rings come form friction between each other (after years I handled for repair/overhaul), rarely I see it comes form material itself when the pump had running ofcourse after we select the proper material. (if you had experienced with shaft deflection, that the...

Hi Replica, It may occured by temperature of fluid.. have you checked the clearance between both of wear rings? in some running clearance, we should cosider to give "galling clearance" as because thermal expansion in rings, i'm affraid that the clearance are too small enough to prevent the...