About: http://webisa.webdatacommons.org/40574261

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	Screw pumps are a special type of rotary positive displacement pump in which the flow through the pumping elements is truly axial.
http://www.w3.org/ns/prov#wasQuotedFrom	pumpscout.com