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