Corrosion of SS-304 in Vinyl Chloride service with Moisture
Corrosion of SS-304 in Vinyl Chloride service with Moisture
(OP)
We have SS-304 pipeline to handle the recovery of Vinyl Chloride from PVC reactor, it has moisture causing HCL, there is no problem with SS-304 pipeline but Ball Valve of SS-304 installed on this line having corrosion.
Kindly guide how to overcome this problem either by material upgradation or by changing valve type from Ball to Plug or other.
Kindly guide how to overcome this problem either by material upgradation or by changing valve type from Ball to Plug or other.





RE: Corrosion of SS-304 in Vinyl Chloride service with Moisture
Best regards
Morten
RE: Corrosion of SS-304 in Vinyl Chloride service with Moisture
Pitting corrosion is the type of corrosion.
RE: Corrosion of SS-304 in Vinyl Chloride service with Moisture
Best regards Morten
RE: Corrosion of SS-304 in Vinyl Chloride service with Moisture
If so try to look for a replacement set of valve trim with a ceramic ball.
I would stay with a ball valve, unless you can't find the trim in which case a plug valve might be a good option.
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