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