About: http://webisa.webdatacommons.org/61342056

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	The Model A-2 Pressure Maintenance Device is designed for use where a constant source of compressed air or nitrogen is available, such as automatic tank-mounted compressors or nitrogen tanks.
http://www.w3.org/ns/prov#wasQuotedFrom	reliablesprinkler.com