About: http://webisa.webdatacommons.org/140258555

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	In some cases, the flow isn???t measured; instead the output of the level, temperature or other controller is connected directly to the control valve.
http://www.w3.org/ns/prov#wasQuotedFrom	chemicalprocessing.com