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Reply to "VARNISH (STEAM TURBINES)"

quote:
Originally posted by ServoCon ALPHA:
FLUSHING, CHANGING FLUID AND ELECTROSTATIC PURIFICATION/ IONIC EXCHANGE FILTERING SYSTEMS WILL NOT REMOVE ALL VARNISHING...
Respectfully,
Brian K. Supinger
Account Specialist

It should be added here that your statement MAY be correct only in systems that have been neglected for many years, where varnish ended up being baked on surfaces. In all other scenarios, I beg to differ.

Well, I thought that I know a lot about varnish and techniques for controlling it. But yesterday, members of Portland STLE Section and I, had a rare privilege to listen to Greg Livingston, one of very few folks in the world who devoted years to studying varnish, and see his presentation, where he shared with us his discoveries and solutions in a “down-to-earth” language. Therefore, I am convinced more than ever, that there is a way to “avoid” the situation you described, when one has no other choice but to call ServoCon ALPHA or similar company, and buy new oil. The proper way is to monitor varnish potential in your oil, and make one-time investment in equipment able to control varnish in your oil, by either employing an electrostatic system or a properly designed cellulose-fibers system. Both systems are proven to be effective, and the use of either one will, without a doubt, prolong oil service life and reliability of the equipment, and generate savings by avoiding lengthy and costly downtime needed for disassembling, flushing, and the expense of acquiring new oil.
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