07-29-2009 10:24 AM
We are experiencing cracks on the exhaust valve inserts for two MAK engines on a customer's cement factory...please does anybody
know what could be the problem be and what is the solution to this cracking.
your suggestions and inputs will be greatly appreciated.
08-05-2009 11:27 AM
One possible explanation could be the fresh water quality. We have seen similar problems -- what we call "Stress Cracking Corrosion" -- which is caused because of an incorrect mixture of fresh water additives in the HT-water system.
Could this explain it?