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.