{HEAD ~ A fluid seal assembly} for {TAIL ~ a rotary valve} comprising a valve housing having a cylindrical valve opening and a rotary valve sleeve in said valve opening 
for
{ HEAD ~ A fluid seal assembly } for { TAIL ~ a rotary valve } comprising a valve housing having a cylindrical valve opening and a rotary valve sleeve in said valve opening
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH