control means on {HEAD ~ the opposite side} of {TAIL ~ said diaphragm} from said closure valve, having a head bearing against said diaphragm, for acting through said diaphragm to move said closure valve toward and away from closure 
of
control means on { HEAD ~ the opposite side } of { TAIL ~ said diaphragm } from said closure valve , having a head bearing against said diaphragm , for acting through said diaphragm to move said closure valve toward and away from closure
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH