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