Attributes . 1. Isolate the valve pressure and remove old packing from the stuffing box. 2. Select the largest size INERTEX Valve Stem Packing that will fit by hand into the stuffing box. 3. Estimate the length needed to fill gland and cut one continuous length.4. Wind the packing around the stem and push into stuffing box. 5. Compress by tightening the gland nut. . Names