Hercules HP Flapperball Stuffing Box
The Hercules HP Flapperball stuffing box compensates for slight misalignment of the polished rod.
Description
Our patent-pending design replaces the conventional spring-loaded flapper system with a specifically engineered floating ball, which can be easily inspected or replaced on the well. Our threaded Hercules™ HP Flapperball stuffing box weighs in at only 66 lb (threaded) and is designed from the ground up for safety and ease of operation.
- Easily self-aligned
- 16-in. overall height
- Upper 2¼-in. OD packing/lower cone packing
- Various sizes and pressure ratings available
- Easy-to-replace packing
- Center housing doubles as lubrication chamber
- Offset packing compatible
Specifications
Resources
![Render of threaded Hercules HP Flapperball Stuffing Box](https://www.nov.com/_next/image?url=https%3A%2F%2Fedge.sitecorecloud.io%2Fnationaloil37c5-novinc-prod-e309%2Fmedia%2Fnov%2Fimages%2Fproducts%2Fcaps%2Fprocess-and-flow-technologies%2Fhercules-hp-flapperball-stuffing-box%2Fhercules-hp-flapperball-stuffing-box-threaded.jpg&w=3840&q=75)