SnTMan,
Thanks. However, I am quite sure that we use correct gaskets, both size and rating. But, maybe a vary low percentage of gaskets might have slightly larger outer ring from manufacture? Or they may have got compressed a little too much? Another possibility is that the two flanges were not...
Thank you all for your replies!
SnTMan,
The outer ring of the gasket gets deformed during installation, that is before start-up. I've seen it in sizes around 10", but it is possible that it happens on smaller and larger gaskets too.
Unclesyd,
It is quite possible that the fasteners are in the...
Hi all,
I recently started to work with maintenance at a refinery and I have a few thoghts and questions about gaskets.
1. Why does the outer ring of a spiral wound gasket (with inner and outer rings) sometimes get warped (like a satellite dish) when installed?
A manufacturer (not the same one...
I'm curious about what others use to attach large gaskets on heat exchangers at refineries, so that the gasket won't move during assembly.
I've heard somewhere that grease might make the gasket seal badly and also damage the graphite on the gasket. Many types of glue might give problems with...
