Traditional braided rings have long been the industry standard. However, they can be time-consuming, difficult to install, and unforgiving when equipment isn’t perfect. Injectable packing changes the game.
This soft, fibre-based material, enriched with lubricants and fillers, is injected directly into the stuffing box with a manual or pneumatic gun. The result? A custom-fit seal that conforms precisely to the stuffing box and shaft—no cutting rings, no dismantling, no downtime.
Where injectable packing excels:
- Equipment that’s worn or out of round
- Pumps with shaft misalignment or eccentricity
- Applications where flush water must be eliminated
- Sites where safety demands hands-off installation and fewer adjustments
Because it flows into place, injectable packing dramatically reduces installation time and enables fast, clean repacks—even in hard-to-reach locations. Once in service, it forms a dense, uniform sealing mass that minimises leakage and avoids the wear caused by misaligned or over-compressed rings.
Consistency Made Simple with AMPS™ (Automatic Mechanical Packing System)
Even the best packing needs the right gland load. Over time, wear and thermal cycling can cause materials to settle, resulting in leakage and requiring frequent manual adjustments. Enter Chesterton AMPS™ (Automatic Mechanical Packing System).
AMPS™ uses pneumatic actuators to maintain a constant load on the gland follower. This ensures:
- Uniform compression across the packing’s life
- Automatic adjustment for material relaxation and wear
- Reduced risk of over-compression, protecting sleeves and extending packing longevity
With AMPS™, operators gain reliability without the constant need for intervention—helping plants run leaner, safer, and longer.
Redefining Reliability in Modern Operations
For today’s reliability engineers and plant managers, the mandate is clear: reduce water consumption, improve safety, comply with tightening standards, and keep equipment online. Chesterton’s injectable packing and AMPS™ system are proven tools to deliver on all fronts.
- Less downtime through simplified installation
- Lower maintenance burden with automatic adjustments
- Extended equipment life in even the toughest conditions
For more information, visit chesterton.com.
