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