The Hercules HP Flapperball stuffing box compensates for slight misalignment of the polished rod.
1,500 psi
1,500, 3,000, 5,000 psi
2⅞-in. EUE male
2⅜, 2⅞, 3½ in.
Male
Male or flanged
60 lb
61 lb
94 lb
16 in.
Forged steel
1⅛, 1¼, 1½ in.
4
N/A
2
2¼ in.
3 in.
Hercules HP Flapperball Stuffing Box Flyer
Production Service Hookup Brochure