| CPC F04B 53/164 (2013.01) [F04B 37/12 (2013.01); F04B 53/22 (2013.01); F16J 15/028 (2013.01); F16J 15/166 (2013.01); F16J 15/18 (2013.01); F04B 15/04 (2013.01); F04B 47/00 (2013.01); F04B 53/02 (2013.01)] | 12 Claims |

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1. A packing assembly to be positioned in a bore of a fluid end block, the packing assembly comprising:
a packing sleeve having a first end and a second end, the first end having a coupling component positioned to engage a tool, the coupling component comprising threads on an outer diameter of the packing sleeve;
a ring having a ring edge engaged with the second end of the packing sleeve, a portion of the ring edge axially overlapping an inner diameter of the packing sleeve at the second end of the packing sleeve;
a seal engaged with an outer diameter of the ring, the seal contacting the second end of the packing sleeve;
a plurality of packing components positioned at least partially in the packing sleeve and radially inward of the packing sleeve, and an inner diameter of the packing sleeve positioned radially adjacent the plurality of packing components; and
a cap positioned to contact the first end of the packing sleeve when assembled relative to the packing sleeve and the threads not engaging the cap.
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