I have tested a bit, and they seem to do the job just fine! Will leave the keg pressurized for a couple of days to check.

I am looking for stainless steel replacement pressure relief valve for my Cornelius kegs after having too many broken plastic ones (and as a consequence getting ruined beers). After having checked a few places I find that some valves will not fit AEB lids, and wonder if this is the case for your val...