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