A valve packing assembly, comprising: a first end ring comprising a first inner ring and a first outer ring , the first end ring configured to position the first inner ring adjacent to a movable valve stem of a valve and to position the first outer ring away from the movable valve stem ; a second end ring ; and a stack of adjacent sealing rings configured to be positioned between the first end ring and the second end ring , wherein the first inner ring defines an annular recess configured to retain the first outer ring in a volume defined between the first inner ring , a body of the valve , and one sealing ring of the stack of adjacent sealing rings positioned at one axial end of the stack of adjacent sealing rings ; wherein the first inner ring and first outer ring are enabled to move relative to one another in order to retain the stack of adj acent sealing rings; characterized in that the second end ring comprises a second inner ring and a second outer ring , the second end ring configured to position the second inner ring adjacent to the movable valve stem and to position the second outer ring away from the movable valve stem; and wherein the second inner ring defines an annular recess configured to retain the second outer ring in a volume defined between the second inner ring , the body of the valve , and another sealing ring of the stack of adjacent sealing rings positioned at another axial end of the stack of adjacent sealing rings ; and wherein the second inner ring and second outer ring are enabled to move relative to one another in order to retain the stack of adjacent sealing rings. a first end ring comprising a first inner ring and a first outer ring , the first end ring configured to position the first inner ring adjacent to a movable valve stem of a valve and to position the first outer ring away from the movable valve stem ; a second end ring ; and a stack of adjacent sealing rings configured to be positioned between the first end ring and the second end ring , wherein the first inner ring defines an annular recess configured to retain the first outer ring in a volume defined between the first inner ring , a body of the valve , and one sealing ring of the stack of adjacent sealing rings positioned at one axial end of the stack of adjacent sealing rings ; wherein the first inner ring and first outer ring are enabled to move relative to one another in order to retain the stack of adj acent sealing rings; characterized in that the second end ring comprises a second inner ring and a second outer ring , the second end ring configured to position the second inner ring adjacent to the movable valve stem and to position the second outer ring away from the movable valve stem; and wherein the second inner ring defines an annular recess configured to retain the second outer ring in a volume defined between the second inner ring , the body of the valve , and another sealing ring of the stack of adjacent sealing rings positioned at another axial end of the stack of adjacent sealing rings ; and wherein the second inner ring and second outer ring are enabled to move relative to one another in order to retain the stack of adjacent sealing rings. <EOS>