/ RDLs / ISO 15926 Part 4: Core reference data - Edition 4 / BACKING RING

BACKING RING

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Identifier
https://posccaesar.org/ontology/15926-4/4.0/BACKING_RING
Definition A <BACKING RING> is a <RING> that is intended to be installed inside a butt welded joint between pipes and/or fittings to prevent entrance of welding material