By this mechanism {TAIL ~ high flow rates} are accommodated without causing premature activation of {HEAD ~ the safety relief valve} 
By this mechanism { TAIL ~ high flow rates } are accommodated without causing premature activation of { HEAD ~ the safety relief valve }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD