The system includes a three position actuator for moving a valve pin into {TAIL ~ a closed position} in which {HEAD ~ neither skin nor core flow} is permitted, a middle position in which only skin flow is permitted, and an open position in which skin and core flow is permitted 
in is permitted
The system includes a three position actuator for moving a valve pin into { TAIL ~ a closed position } in which { HEAD ~ neither skin nor core flow } is permitted , a middle position in which only skin flow is permitted , and an open position in which skin and core flow is permitted
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH