A handle having a pivotal lever is disposed in {HEAD ~ the valve body} and engages the plunger to reciprocate longitudinally through {TAIL ~ the bore} 
A handle having a pivotal lever is disposed in { HEAD ~ the valve body } and engages the plunger to reciprocate longitudinally through { TAIL ~ the bore }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL