About: http://webisa.webdatacommons.org/223430478

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	Details: knife gate valve is mainly conposed of the left and right body, U-ring, disc, steel nut, stem, frame, cylinder, and other items....
http://www.w3.org/ns/prov#wasQuotedFrom	seekpart.com