BACKING RING
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS1030094
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 |
ISO number | 4897 |
RDS number | RDS1030094 |
Source | Piping |