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Increasing equipment reliability in oil and gas application

Challenge

A customer was designing a gate valve for an Oil and Gas application. It would see a temperature range of -40C to 180C and maximum pressure of 138MPa. It would be exposed to crude oil, natural gas, and high concentrations of H2S and CO2. The customer had tried seals from competitors, but they were failing. Time was running out and they needed a solution.

Great valve before service

Solution

Chesterton specialists worked closely with the customer to intimately understand the application and propose a solution. Chesterton 100- Cantilever Spring-Energized Seals (SES) were developed for the equipment. The stem package consisted of an SES, hat ring to protect against seal lip damage, and backup ring for extrusion resistance. Inner and outer face seals were used in the seat for the sealing against the gate.

Chesterton Series 100- Cantilever Spring-Energized Seals

Results

Chesterton was hands-on with seal installation and test preparation. Valve testing was conducted per API 6A Appendix F and PR2 qualified. The Chesterton Series 100- Cantilever Spring Energized Seals provided successful performance to this demanding standard at HPHT conditions. Due to successful testing and interactions, Chesterton secured the business for all stem and seat subassemblies.

API 6A PR2 Qualification

 

About us

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

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.

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