In this manner, {TAIL ~ the valve} provides consistent flow control characteristics in {HEAD ~ each flow direction} 
In this manner , { TAIL ~ the valve } provides consistent flow control characteristics in { HEAD ~ each flow direction }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD