BUTTERFLY VALVE
http://data.posccaesar.org/rdl/RDS416609
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#ClassOfInanimatePhysicalObject>
2005.12.21
u82237
A rotary valve that has a closure member of a disc type with a shaft parallel, or near parallel, to the plane of the disc, with an axis of rotation transverse to the flow direction.
RDS416609
BUTTERFLY VALVE
BUTTERFLY VALVE
Qualified
A type of quick opening valve where the closure member has the shape of a disc that pivots on a shaft in the throat of the valve.
569500