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