Economy Inverted Double Pack Stuffing Box IVDPSB
Lower-profile inverted double pack stuffing box — 3" shorter than the standard DPSB at just 14" height. Inverted cone packing delivers additional surface contact and improved wear. Distinctive misaligning feature. Available in sizes up to 4" bottom connection. The direct inverted-style alternative to the industry-leading DPSB.
Quick Specifications
BTM THREAD 2", 2-½", 3", 4"
BOTTOM CONNECTION Male
HEIGHT 14"
WEIGHT (2") 45 lbs.
WEIGHT (2-½") 46 lbs.
WEIGHT (3") 47 lbs.
WEIGHT (4") 51 lbs.
MATERIAL Ductile Iron
ROD SIZES 1", 1-⅛", 1-¼", 1-5/16", 1-⅜", 1-½", 1-¾"
TOP CONES REQUIRED 5
BOTTOM CONES REQUIRED 1
ORG / ELUG™ Optional
CORROSION COATING Available — Contact Factory
Key Features
WHY THE IVDPSB
Lower Profile Than DPSB
At 14" height, the IVDPSB is 3" shorter than the standard Economy Double Pack (DPSB) while maintaining the same 1500 PSI working pressure and two-chamber packing stack. Use when overhead clearance is the deciding factor.
Misalignment Tolerance
WSI's distinctive misaligning feature allows the IVDPSB to accommodate moderate pumping unit misalignment — reducing installation precision requirements and lateral rod stress.
Inverted Cone Packing
Inverted cone orientation places additional surface area of each packing cone in contact with the polished rod compared to standard upright designs — improving sealing efficiency and wear characteristics under the same bolt torque.
Grease Zerk Standard
Grease fitting included as standard. Optional E-LUG™ Environmental Lube Upper Gland or S-ORG™ Oil Reservoir Gland available for enhanced lubrication and environmental compliance with the ECSS™ system.
Smaller Pumping Units
The IVSB is specifically designed for smaller pumping units with minimum stroke lengths — where the compact 10" height makes installations possible that would be impractical with full-height economy stuffing boxes.
Corrosion-Resistant Coatings
Optional coatings available for H₂S, salt-water, and chemical environments. Contact customer service for coating specifications and lead times before placing your order.
Full Specifications
BTM THREAD 2", 2-½", 3", 4"
BOTTOM CONNECTION Male
HEIGHT 14"
WEIGHT (2") 45 lbs.
WEIGHT (2-½") 46 lbs.
WEIGHT (3") 47 lbs.
WEIGHT (4") 51 lbs.
MATERIAL Ductile Iron
ROD SIZES 1", 1-⅛", 1-¼", 1-5/16", 1-⅜", 1-½", 1-¾"
TOP CONES REQUIRED 5
BOTTOM CONES REQUIRED 1
ORG / ELUG™ Optional
CORROSION COATING Available — Contact Factory
Product Notes
- Lower profile than the standard DPSB — 14" vs. 17" height, same 1500 PSI rating
- Inverted cone packing provides additional surface contact vs. standard upright cone
- Available in 4" bottom connection — same unique feature as the DPSB, not available in SPSB or TBSB
- Distinctive misaligning feature reduces need for exact pumping unit alignment
- Optional E-LUG™ or S-ORG™ upper gland for environmental compliance
- Grease zerk standard
- Corrosion-resistant coatings available — contact factory
- All standard packing compounds compatible
- Packing life extended with WSI Polished Rod Lubricator
Packing Options
Rod sizes 1" through 1-¾" in sets of 4 (3 top cone + 1 bottom cone). Select compound based on well fluid chemistry and operating conditions.
SOFT
SBR
HSN
HNBR - H₂S
SB SILICONE
HARD
SBR
HIGH TEMP
NBR - STEAM
SUPER DOME™
NBR/HNBR - PREMIER
TEFLON
SBR
KB™
BRASS FILLED
SUPER LIFE™ 575
POLYMER - PREMIER
Compatible Accessories
WSI accessories that install directly on the SPSB.
Environmental Lube Upper Gland
Secondary seal above any Classic style stuffing box. Connects to ECSS™ Environmental Shutdown Switch and anti-pollution tank. Rod sizes 1"–1-¾".
Standard Oil Reservoir Gland
1 quart oil reservoir for pumping/flowing wells. Split cone wiper controls oil film on rod. Connects to ECSS™ shutdown switch. Fits any Classic style stuffing box including SPSB.
Polished Rod Lubricator
1 quart reservoir reduces friction heat between polished rod and packing — extending packing life significantly. Especially important for wells on timer controls.
Related Stuffing Boxes
Other WSI stuffing box models that may better suit your pressure requirements, well conditions, or installation constraints.
Economy Double Pack DPSB
1500 PSI
Economy Inverted Single Pack IVSB
1500 PSI
Economy Single Pack SPSB
1500 PSI
