SAFETY VALVE
http://data.posccaesar.org/rdl/RDS309374
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#ClassOfInanimatePhysicalObject>
2005.12.21
u82237
A pressure relief valve that is actuated by the static pressure upstream of the valve, and characterized by rapid full opening or pop action.
RDS309374
SAFETY VALVE
SAFETY VALVE
Qualified
Commonly used for steam, gas or vapour service.