About: http://webisa.webdatacommons.org/54523701

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	These units are principally used on gravity or pressure lubricating systems, steam and gas engines, paper and sugar mill machinery Valve Type: Needle Valves
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com