backing ring
backing ring
[′bak·iŋ ‚riŋ] (engineering)
A strip of metal attached at a pipe joint at the root of a weld to prevent spatter and to ensure the integrity of the weld.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
backing ring
A backing in the form of a ring, used during the welding of piping at butt joints.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.