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Pulp and Paper Plant Installs DualPac® 2211 Packing in Leaking Stuffing Boxes

Intro

Chesterton products – Chesterton DualPac® Packing Technology

Chesterton

 

 

A customer working in a pulp and paper causticising plant was struggling with leaking stuffing boxes with competitors’ packing products. With leakage contaminating bearings, it costed the customers time and money replacing and maintaining equipment. A Chesterton expert installed the DualPac® 2211 Packing to extend the packing life and increase efficiency.

Products featured in this case study:

DualPac 2211

Challenge

A pulp and paper causticizing plant in Europe has three double-sided screw conveyors transporting very abrasive lime slurry at 122°F (50°C). The rotational speed is 50 rpm.

The stuffing boxes were previously packed with various competitors’ packing products. Leakage usually occurred a few days after installation and the gland needed adjustment.

The leakage contaminates the bearings, which must be replaced annually.

The conveyor needed proper packing to eliminate leaks.

Solution

The stuffing boxes were repacked with DualPac® 2211 Packing.

The leaking stuffing box was contaminating the bearings.

Results

The DualPac® Packing extended the packing life by 4X. The plant saved $657 US/year ($900 AUD/year) less the cost of a product and avoided significant downtime and maintenance.

The packing life was extended by four times.

About Us

Chesterton

Chesterton® is a world leader in helping process industry companies and manufacturers improve the reliability and efficiency of their rotating, stationary, and fluid power equipment platforms. We are known across a wide range of industries for our award-winning pump and valve sealing solutions, applications expertise, equipment maintenance and wear-prevention products, and knowledgeable hands-on local service​.

® Registered trademark owned by A.W. Chesterton Company

Issued 07/21

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