API 11B Wellhead Tool Double Layer Stuffing Box To Seal Polished Rod

Stuffing Box Detail information

Stuffing box is a wellhead dynamic sealing device that seals the annular space between the tubing pipe and the polished rod.

Double packed Stuffing Box (DPSB) is specially designed for pumping unit. It’s characteristics as follow:

1. Unique misaligning feature reduces need for exact alignment with the pumping unit
2. Primary packing can be changed under pressure by tightening compression bolts
3. Equipped with the cone packing
4. Lub Upper Gland (LUG) with grease zerk to lubricating the rod
5. Optional Oil Reservoir Gland (ORG) and Anti-Pollution Adapter (APA)
6. LUG has two heavy hex nuts on each bolt, which can support up to 20000 lbs. when engaged during well servicing
7. Flanged bottom connection available by special order
8. Most widely-used stuffing box in the industry

Stuffing Box Detail information