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Description
As an economic option for your production needs, our classic stuffing box has a unique misaligning feature that reduces the need for exact alignment with the pumping unit.
Single Pack Stuffing Box (SB)
- Original design
- Superior and dependable performance
- Standard model has lube upper gland (LUG) with grease zerk
- Optional oil reservoir gland (ORG) and APA control device
- Unique misaligning feature reduces need for exact alignment with the pumping unit
- LUG and ORG have two heavy hex nuts on each bolt that can support up to 20,000 lb when engaged during well servicing
Tee Base Stuffing Box (SBT)
- Combines SB and cross-tee with 1-in. bleeder
- Eliminates one-threaded connection
- Results in a quicker hookup
- Side outlets:
- 2-in. LP with 2-in. bottom connection
- 3-in. LP with 2½- or 3-in. bottom connection
- Standard model has LUG with grease zerk
- Optional ORG and APA control device
- LUG has two heavy hex nuts on each bolt that can support up to 20,000 lb when engaged during well servicing
Double Packed Stuffing Box (DPSB)
- Most widely used stuffing box in the industry
- Primary packing can be changed under pressure by tightening compression bolts
- Unique misaligning feature reduces need for exact alignment with the pumping unit
- Adaptable to many accessories
- Standard model has LUG with grease zerk
- Optional ORG and APA control device
- LUG has two heavy hex nuts on each bolt that can support up to 20,000 lb when engaged during well servicing
- Flanged bottom connection available
Regular Inverted Stuffing Box (IVSB)
- Lowest profile design
- Ideal for smaller pumping units
- Furnished with three top cones and one bottom cone; one top cone (thin cone) can be removed to reduce overall height even further without impairing pressure rating (if reduced packing life is acceptable)
- Polished rod support (PRS) is required during well servicing to prevent the transfer of rod string weight to the packing
Tee Base Inverted Stuffing Box (IVSBT)
- Combines IVSB and cross-tee with 1-in. bleeder
- Eliminates one-threaded connection
- Lower profile than classic models
- Side outlets:
- 2-in. LP with 2-in. bottom connection
- 3-in. LP with 2½- or 3-in. bottom connection
- Furnished with three top cones and one bottom cone
- One top cone (thin cone) can be removed to reduce overall height even further without impairing pressure rating (if reduced packing life is acceptable)
- PRS is required during well servicing to prevent the transfer of rod string weight to the packing
Double Packed Inverted Stuffing Box (IVDPSB)
- Exceptionally durable; built for performance under tough conditions
- Primary packing can be changed under pressure by tightening compression bolts
- Lower profile than classic model
- Furnished with three top cones and one bottom cone; one top cone (thin cone) can be removed to reduce overall height even further without impairing pressure rating (if reduced packing life is acceptable)
- PRS is required during well servicing to prevent the transfer of rod string weight to the packing
- Flanged bottom connection available
Specifications
Classic Stuffing Boxes Specifications
Specifications | SB | SBT | DPSB | IVSB | IVSBT | IVDPSB |
---|---|---|---|---|---|---|
Working pressure | 1,500 psi | 1,500 psi | 1,500 psi | 1,500 psi | 1,500 psi | 1,500 psi |
Bottom thread (API tubing or LP) |
2 in., 2½ in., 3 in., 4 in. | 2 in., 2½ in., 3 in. | 2 in., 2½ in.,3 in., 4 in. | 2 in., 2½ in., 3 in., 4 in. | 2 in., 2½ in., 3 in. | 2 in., 2½ in., 3 in., 4 in. |
Bottom connection | Male | Female | Male | Male | Female | Male |
Weight (with Std. LUG**) | ||||||
2 in. | 24 lb | 33 lb | 50 lb | 19 lb | 28 lb | 45 lb |
2½ in. | 25 lb | 37 lb | 51 lb | 20 lb | 32 lb | 46 lb |
3 in. | 26 lb | 42 lb | 52 lb | 21 lb | 38 lb | 47 lb |
4 in. | 29 lb | N/A | 56 lb | 24 lb | N/A | 51 lb |
Height (includes pin or box connection) |
13½ in. | 16 in. | 17 in. | 10 in. | 23 in. | 14 in. |
Material | Ductile iron* | |||||
Split cone packing – rod sizes | 1, 1⅛, 1¼, 15/16, 1⅜, 17/16, 1½, and 1¾ in. | |||||
Pieces required | ||||||
Top cones | 4 | 4 | 6 | 3 | 3 | 5 |
Bottom cones | 1 | 1 | 1 | 1 | 1 | 1 |
*Corrosion-resistant coatings available; contact customer service.
**Add 11 lb if equipped with optional HPLUG.
