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