About: http://webisa.webdatacommons.org/388096460

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	Such control valves effect the change of the preset suction pressure by employing an actuator, such as an electromagnetic solenoid or the like, to apply force to the valve body.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com