A three-stage, micro-adjustable polished rod stuffing box configured for long-life sealing and easier maintenance under demanding rod-pumped well conditions.
| Parameter | Specification |
|---|---|
| Overall height | Approximately 400 mm |
| Maximum diameter | 205 mm |
| Weight | 30.15 kg |
| Working pressure | 17 MPa |
| Bottom connection | 2 7/8 TBG and 3 1/2 UP |
| Applicable rod diameter | 25–38 mm |
| Reference standard | SY/T 5029-2003 |
Rod-pumped wells requiring multi-stage polished-rod sealing and fine packing adjustment.
YUXIN combines product engineering, machining, assembly, inspection and export coordination in Dongying, Shandong.
Send the existing model or drawing, connection dimensions, operating pressure and temperature, well conditions, quantity and destination.
Yes. YUXIN can review drawings and samples for material, tolerance, machining, inspection and batch-production feasibility.
Material and treatment options are selected around pressure, load, corrosion, wear, temperature and sour-service requirements.
Inspection planning can include dimensional checks, material documentation, assembly review and product-specific pressure or functional testing.
Yes. Batch supply, export packing and order documentation can be organized for distributors, service companies and project procurement.
Website data is for preliminary selection. Final compatibility is confirmed against the approved drawing, specification and purchase requirements.
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