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