A surge suppression apparatus 6 wherein said larger effective cross sectional area is at {HEAD ~ the end} of {TAIL ~ the diaphragm follower} remote from the diaphragm 
of
A surge suppression apparatus 6 wherein said larger effective cross sectional area is at { HEAD ~ the end } of { TAIL ~ the diaphragm follower } remote from the diaphragm
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH