{HEAD ~ A two part, low friction, live loaded packing system} for {TAIL ~ fire safety} and low fugitive emission sealing of a valve stem at operating temperatures up to 450° F.  
for
{ HEAD ~ A two part , low friction , live loaded packing system } for { TAIL ~ fire safety } and low fugitive emission sealing of a valve stem at operating temperatures up to 450 ° F.
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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