A packing case configured to be installed in a turbine having a rotor and rotor axis, the packing case having at least one brush ring seal device therein, the at least one brush ring seal device comprising: a brush seal carrier (25, 27) having a substantially ring-shaped body and being manufactured as two half ring segments, said ring shaped body having a front face, a rear face, an inner circumferential groove, and an outer circumferential groove said front and rear faces being configured to be perpendicular to the rotor axis, and said grooves being axially between the front and rear faces; and; a brush seal (39, 41) mounted within the inner circumferential groove of the brush seal carrier (25, 27), the brush seal (39, 41) being manufactured as two half ring segments; wherein the rear face of the brush seal carrier (25, 27) is coated with an anti-friction coating, comprised of tungsten disulfide or molybdenum disulfide, thereby allowing movement of the brush ring seal device within the packing case; characterized in that the at least one brush ring seal device further comprises a ring-shaped spring mounted within the outer circumferential groove of the brush seal carrier (25, 27), the ring-shaped spring retaining the two half ring segments of the brush seal carrier (25, 27) together, and wherein the two half ring segments of the brush seal carrier (25, 27) form a pair of axial slots at a joint thereof when coupled together, with one slot at each coupling side of the two halves, there being a support tab positioned within each of the axial slots at the joint of the two half ring segments for supporting the brush seal carrier (25, 27) within the packing case, during assembly until pressure is applied, each of said tabs having a hole therein for receiving the ring-shaped spring. a brush seal carrier (25, 27) having a substantially ring-shaped body and being manufactured as two half ring segments, said ring shaped body having a front face, a rear face, an inner circumferential groove, and an outer circumferential groove said front and rear faces being configured to be perpendicular to the rotor axis, and said grooves being axially between the front and rear faces; and; a brush seal (39, 41) mounted within the inner circumferential groove of the brush seal carrier (25, 27), the brush seal (39, 41) being manufactured as two half ring segments; wherein the rear face of the brush seal carrier (25, 27) is coated with an anti-friction coating, comprised of tungsten disulfide or molybdenum disulfide, thereby allowing movement of the brush ring seal device within the packing case; characterized in that the at least one brush ring seal device further comprises a ring-shaped spring mounted within the outer circumferential groove of the brush seal carrier (25, 27), the ring-shaped spring retaining the two half ring segments of the brush seal carrier (25, 27) together, and wherein the two half ring segments of the brush seal carrier (25, 27) form a pair of axial slots at a joint thereof when coupled together, with one slot at each coupling side of the two halves, there being a support tab positioned within each of the axial slots at the joint of the two half ring segments for supporting the brush seal carrier (25, 27) within the packing case, during assembly until pressure is applied, each of said tabs having a hole therein for receiving the ring-shaped spring.