Wellhead Equipment Double Packed Stuffing Box for Polished Rod

We are the professional manufacturer specialized in producing the oil wellhead stuffing box in china. We produce three types now:1,Oil WellheadDouble Packed Stuffing BoxFor Polished Rod
2,Oil WellheadTee basedStuffing BoxFor Polished Rod
3, Oil Wellhead Regular Stuffing BoxFor Pumping Unit polished Rod
Double Packed Stuffing BoxFor Polished Rod
Double packedStuffing Box (DPSB) is specially designed foroil Christmas tree/ Wellhead & X-mas treepumping unit. 1, Stuffing Box Structure
Polished rod stuffing box is made up of cross shell, seal gate valves, sealing pin, sealing cap, rubber packing, etc. The bottom could be connected in thread, flange, clamp. The device could reduce the wear of the polished rod, increase oil recovery.2, Stuffing Box Characteristics
- Unique misaligning feature reduces need for exact alignment with the pumping unit
- Primary packing can be changed under pressure by tightening compression bolts
-Equipped with the cone packing
-Lub Upper Gland (LUG) with grease zerkto lubricatingthe rod
-Optional Oil Reservoir Gland (ORG) and Anti-Pollution Adapter (APA)
- LUG has two heavy hex nuts on each bolt, which can support up to 20000 lbs. when engaged during well servicing
-Flanged bottom connection available by special order
- Most widely-used stuffing box in the industry3, Stuffing Box Specification:
- Working pressure:1500psi, 2000psi, 3000psi
- Connecting Thread: 2-3/8"EUE, 2-7/8"EUE, 3"LP, 3-1/2"EUE
- Working Temperature: 149ºC (H2S & CO2below 1%)
120ºC (H2S below 2% & CO2 below 10%)
- Good performance at Mechanical Tear and Abrasive Resistance & in Steam Environments
4, Stuffing Box Cone Packing
Cone Packing is available in size for all polished rod 1-1/8", 1-1/4", 1-1/2"in set of four (3 top cone and 1 bottom cone) and five (3 top cone and 2 bottom cone).5, Stuffing Box Installation and usage
- Before installation, user shall inspect the device comprehensively and clean it.
- Pay attention to the size of polished rod is conform to the valve specifications.
- When installation, adjust seal compression force till not leak. If the force is too big, the service lift will decrease.
-Every time adjust the force, user shall adjust in tiny range.