About: http://webisa.webdatacommons.org/261016895

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	Honestly, when my father or other companies back there were installing these, they have never bothered to do head loss calculations or concerned about min flow rates :-).
http://www.w3.org/ns/prov#wasQuotedFrom	heatinghelp.com