Hercules HP Flapperball Stuffing Box
The Hercules HP Flapperball stuffing box compensates for slight misalignment of the polished rod.
Hercules HP Flapperball Stuffing Box Specifications
| Specifications | Simple Pac | Flapperball (threaded) | Flapperball (flanged) |
| Working pressure | 1,500 psi | 1,500, 3,000, 5,000 psi | 1,500, 3,000, 5,000 psi |
| Bottom thread | 2⅞-in. EUE male | 2⅜, 2⅞, 3½ in. | 2⅜, 2⅞, 3½ in. |
| Bottom connection | Male | Male or flanged | Male or flanged |
| Weight | 60 lb | 61 lb | 94 lb |
| Height | 16 in. | 16 in. | 16 in. |
| Material | Forged steel | Forged steel | Forged steel |
| Split cone packing – rod sizes | 1⅛, 1¼, 1½ in. | 1⅛, 1¼, 1½ in. | 1⅛, 1¼, 1½ in. |
Hercules HP Flapperball Stuffing Box Pieces Required
| Pieces required | Simple Pac | Flapperball (threaded) | Flapperball (flanged) |
| Top donut packing | 4 | 4 | 4 |
| Bottom cone packing | N/A | 2 | 2 |
| V-ring packing OD | 2¼ in. | 2¼ in. | 2¼ in. |
| V-ring stack height | 3 in. | 3 in. | 3 in. |