Case Studies

Issue

 A major steel mill in located in Japan was experiencing piston failure every four months on a very old and badly scored die slide cylinder located on a hot extrusion press. Premature cylinder failure was impacting maintenance and production. The customer was interested in a sealing solution capable of extending the MTBR. 

•  Cylinder Size: 115 X 140mm 

Equipment cross sectional indicates previous design vs. custom 11K design using the AWC800/AWC825 material combination.

Recommendation

 Working with the Application Engineering team, the Chesterton Specialist recommended a unique Chesterton 11K set: (Special P11KWSOR: 115 X 140 X 39mm, AWC800/825/650). The sealing solution included a standoff ring for enhanced stability when exposed to side loading and or vacuuming conditions.

 Chesterton 11K Split Seal Product Features: 

•  Dual ring split design, works on worn surfaces 
• Only two split rings to install 
• No shimming or gland adjustments

Equipment cross sectional indicates previous design vs. custom 11K design using the AWC800/AWC825 material combination.

The unique Chesterton 11K split sealing solution using the AWC825 material is designed to improve sealing reliability in scored, worn, aged or pitted equipment. The thermoset material also provides superior wear and abrasion resistance to enhance seal performance. This Chesterton solution was proven to outperform the competitive product and eliminate leakage issues.

 Chesterton 11K is operating leak free! 

Split 11K set with dual material AWC800/AWC825 used in combination with a standoff ring for added stability and support.

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. Chesterton product range includes mechanical seals, packing and gaskets, industrial lubricants and coatings.

® Registered trademark owned by A.W. Chesterton Company

 EN24558. Issued 10/2017.

Technical data reflects results of laboratory tests and is intended to indicate general characteristics only. A.W. Chesterton Company disclaims all warranties expressed or implied, including warranties of merchantability and fitness for a particular purpose. Liability, if any, is limited to product replacement only. Any images contained herein are for general illustrative or aesthetic purposes only and are not intended to convey any instructional, safety, handling, or usage information or advice respecting any product or equipment. Please refer to relevant Safety Data Sheets, Product Data Sheets, and/or Product Labels for safe use, storage, handling, and disposal of products, or consult with your local Chesterton sales representative.