About: http://webisa.webdatacommons.org/262732491

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	The throttled valve comprises a housing including a chamber and first and second ports both coupled to the chamber and adapted for communication respectively with the pressure source and the controlled volume.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com