About: http://webisa.webdatacommons.org/27768858

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Items retained would be ASME and API definitions and requirements, technology differences, i.e. conventional vs. pilot operated PRV's, liquid trim, and inlet loss and back pressure effects on PRV operating characteristics.
http://www.w3.org/ns/prov#wasQuotedFrom	isala.org