The valve 120 can also include other features such as {HEAD ~ an o ring} 148 disposed around a portion of {TAIL ~ the flow control member} 128, 129 for enabling movement of the flow control member 128, 129 between the open and closed positions 
The valve 120 can also include other features such as { HEAD ~ an o ring } 148 disposed around a portion of { TAIL ~ the flow control member } 128 , 129 for enabling movement of the flow control member 128 , 129 between the open and closed positions
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH