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.

backing ring

A backing in the form of a ring, used during the welding of piping at butt joints.
References in periodicals archive ?
These two research innovations enable automation of aviation maintenance procedures like replacement of aircraft outer skin panels and restoration of aviation parts like turbofan blades and turbine backing ring seals to their optimum shapes.
The spacing pegs located radially around the backing ring were removed before joint set-in.
The dust seal is affixed to the backing ring in this improved assembly, thereby allowing the hydraulic system to extract the entire assembly back from the rotor end.
Timken today announced the development of the Sure-Fit(TM) universal backing ring, a product that significantly reduces loose backing rings in bearings on untoleranced rail car axles.
Tenders are invited for Journal Bearing Assembly:Aar Approved Cartride Taper Roller Bearing 6-1/2 X 12 Class F Sealed Unit Along With Backing Ring, End Cap, Locking Plate And 3 Cap Screws Duly Filled With Grease To Brenco Inc Drg.
Tenders are invited for Journal Bearing Assembly Catridge Tapered Roller Bearing 6 1/2 Inch X 12 Inch Class F Sealed Unit Along With Backing Ring, End Cap, Locking Plate And 3 Cap Screws Duly Filled With Grease To Timken Part No.
Tenders are invited for Journal Bearing Assembly Catridge Tapered Roller Bearing 6 1/2 X 12 Class F Sealed Unit Along With Backing Ring, End Cap, Locking Plate And 3 Cap Screws Duly Filled With Grease To Timken Part No.
Tenders are invited for Journal Bearing Assembly, Aar Approved Cartridge Taper Roller Bearing 6-1-2 X 12 Class F Sealed Unit Along With Backing Ring End Cap, Locking Plate And 3 Cap Screws Duly Filled With Grease To Brenco Inc Drg.
Tenders are invited for Felt Sealwith Backing Ring For Dust Guard 9.