{HEAD ~ The seal ring} is situated in {TAIL ~ a seal ring groove} located in the sleeve of the rotary valve assembly with a clearance on each axial side of the seal ring 
{ HEAD ~ The seal ring } is situated in { TAIL ~ a seal ring groove } located in the sleeve of the rotary valve assembly with a clearance on each axial side of the seal ring
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL 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 OTH OTH