IIRC, it may depend where you are in the world, and be driven by regulatory requirements - if you are subject to tight fugitive emissions standards then you may need a double seal to achieve acceptable containment of the normal sealing flow across the primary face. (But I may be victim of...
Hmmm, interesting, there I was hoping to find some helpful information about hot oil pump experience from other sites only to find a colleague has posted our problems here already!
Anyway, to fill in a few gaps on the background as a first time poster:
Site is in the remote desert, with no...
