The output line 62 of pump 58 is also connected to {HEAD ~ the top} of {TAIL ~ 5 micron filter} 74 by means of normally closed valve 130 
The output line 62 of pump 58 is also connected to { HEAD ~ the top } of { TAIL ~ 5 micron filter } 74 by means of normally closed valve 130
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 OTH OTH OTH OTH