VALVE CLOSURE MEMBER
http://data.posccaesar.org/rdl/RDS428894
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#ClassOfInanimatePhysicalObject>
2005.12.21
u82237
An 'artefact' that is the part of a valve which is positioned in the flow stream to permit, obstruct, divert or regulate flow.
RDS428894
VALVE CLOSURE MEMBER
VALVE CLOSURE MEMBER
Qualified
API 6D, March 31, 1994. Synonym for disk.