inert-gas blanketing

inert-gas blanketing

[i¦nərt ‚gas ′blaŋ·kəd·iŋ]
(engineering)
Purging the air from a unit of a heat exchanger by using an inert gas as the unit is being shut down.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.