An example internal valve includes a body having {HEAD ~ a valve seat} disposed between {TAIL ~ an inlet} and an outlet 
disposed between
An example internal valve includes a body having { HEAD ~ a valve seat } disposed between { TAIL ~ an inlet } and an outlet
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH