About: http://webisa.webdatacommons.org/251016885

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	A check valve is a one-way valve that will allow water to move forward through your plumbing, but prevent water from moving back into the well.
http://www.w3.org/ns/prov#wasQuotedFrom	cabindiy.com