In {TAIL ~ some embodiments}, the valve member has a first sealing surface for selectively substantially preventing fluid flow through {HEAD ~ the first port} and a second sealing surface for selectively substantially preventing fluid flow through the third port 
In { TAIL ~ some embodiments } , the valve member has a first sealing surface for selectively substantially preventing fluid flow through { HEAD ~ the first port } and a second sealing surface for selectively substantially preventing fluid flow through the third port
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH