Regular Stuffing Box (SB) is specially designed for pumping unit.
1.The polished rod stuffing box is designed with two sealing
structure with reasonable structure, convenient operation, reliable
sealing.
2.It has an automatic adjustment of the level of the axial center
and automatically adjust the angle that allows the rod back and
forth to run automatically adjust volume and pan angle to ensure
the polished rod stuffing box with polished rod concentric,
eccentric wear to avoid the phenomenon. 3.There are two options
available for the stuffing box: single pack and double pack.
4.The materials used for the cap, glands, body, base, and bottom
are either 1045/4130 casting steel or ductile iron, depending on
customer demand. The bottom of the stuffing box features API gauged
threads of tubing EUE or LP. 5.These stuffing boxes are suitable
for rod sizes 1", 1-1/8", 1-1/4", 1-1/2", and 1-3/4".
Specification: 1500psi
Connecting Thread: 2-7/8” EUE, 3” LP,
3-1/2” EUE
Working Temperature: 149℃ (H2S & CO2 below 1%)
120℃ (H2S below 2% & CO2
below 10%)
Good performance at Mechanical Tear and Abrasive Resistance & in
Steam
Environments
Size | Bottom connection(BUE,EUE) | Working pressure (PSI) | Working temperature (℃) |
1-1/8’’ (28.58) | 2-3/8’’ , 2-7/8’’, 3-1/2’’, 3’’LP | 1500,2000,3000 | <220 |
1-1/4’’ (31.75) |
1-1/2’’ (38.10) |
1-3/4’’ (44.45 |
It’s characteristics as follow:
1. Unique misaligning feature reduces need for exact alignment with the pumping unit
2. Equipped with the cone packing
3. Lub Upper Gland (LUG) with grease zerk to lubricating the rod.
4. Optional Oil Reservoir Gland (ORG) and Anti-Pollution Adapter (APA)
5. Simple structure and easy to installation.
6. Most widely-used stuffing box in the industry
