Threaded Cap Stuffing Boxes
Ultra-compact no-bolt design for maximum simplicity and minimum stack height. Uses crown ring packing instead of cone packing. Ideal for high salt-water cut areas where bolt corrosion is a frequent maintenance issue, and for short-stroke pumping units with limited clearance.
Wellhead Systems Inc.
Economy Threaded Cap Jack Stuffing Box JSB
Two Independent Chambers · Auto-Flapper · NACE · ½" Test Port
Economy Threaded Cap Wheel Stuffing Box WSB
Integral Pumping Tee, No-Bolt Cap
2500 PSISelect Your Compound
WSI continually tests new compounds against ever-changing well conditions. Cone packing fits rods 1" through 1-¾" in sets of 4 (3 top cones + 1 bottom cone). Field testing is recommended for your specific conditions.
Soft
Sweet crudes with high oil-to-water ratios and low abrasives
SBR - EconomyHigh Temp
Steam injection wells producing sweet crude
Super Dome™
Low friction, excellent chemical resistance; one-time retrofit kit
Hard
Sweet crudes with low oil-to-water ratios
KB™
Kevlar brass - CO₂, H₂S, excellent abrasion; most proven for steam
Crown Ring
For JSB and WSB threaded cap stuffing boxes
Teflon
Low oil-to-water ratios; reduces rod noise in sensitive areas
SBR - EconomySuper Life™ 575
Sweet crudes, high oil-to-water; also in crown rings
"V" Style
NBR or HSN — used in E-LUG™ for Classic and Premier models
Brass Filled
Reduces polished rod scale build-up; sweet crudes
SB Silicone
High water-cut; resistant to gas decompression
Ready to order your Stuffing Box?
Our team will help you select the right product type, pressure rating, and packing compound for your well conditions.
