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Seals Eastern, Inc.
Seals, gaskets, and o-rings
designed and manufactured for the
most demanding applications throughout
the world.

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Demanding Seal Applications Require Engineered Solutions.

 A high pressure, high temperature combination of natural gas, carbon dioxide and hydrogen sulfide is a harsh environment for any seal. However, Seals Easterns contribution of advanced technical papers and patents have tackled the problems. Consequently, we are a major supplier of high temperature, high pressure seals and packer elements in the energy industry.

Seals Eastern was the sole-source for all fuel and oxidizer seals in the "Lance" missile system. Fluoro-silicone and phenyl-silicone rubber were bonded to large aluminum retainers. Extensive studies on cross-linking, bonding technology, and surface chemistry resulted in the production of a successful missile system.

A low warranty cost engine requires seals able to resist  stress-relaxation. Seals Eastern supplies millions of low compression-set seals that ensure leak-free service in heavy-duty diesel engine applications. These seals have outstanding performance long-term performance in the presence of traditional coolants and the Organic Acid Technology ("OAT") coolants. These seals also withstand modern engine oils that have been formulated to withstand higher operating temperatures.

A rapid decrease in pressure for seals in high-pressure applications can be a recipe for failure. In fact, rubber has a predictable swelling response in high-pressure gases such as methane, carbon dioxide, and hydrogen sulfide. The destructive consequences of this swelling is not so much during the absorption but when the system pressure is suddenly relieved. In the phenomena of explosive decompression ("ED"), the gas absorbed by the polymer expands rapidly, as described by Boyles law, upon the release of system pressure. The consequences to a seal are catastrophic. Such failure can occur in gas compressors, down-hole applications, and other situations where high pressure is commonly encountered. Since the 1980s, Seals Eastern has supplied explosive decompression resistant seals to major manufacturers of turbines, compressors, gas re-injection equipment, pumps, and other fabricators who must mitigate the effects of high-pressure gases in their equipment.

Quality Policy

Seals Eastern is dedicated to providing engineered sealing solutions using high quality polymer compounds. We continually strive to meet customer specifications and delivery requirements by involving each and every employee at all levels. We continually strive to improve the effectiveness of our QM Systems and the Company's operations by utilizing teamwork and statistical measurements of performance.

Environmental Policy

Seals Eastern Manufacturing Inc. pledges to implement and operate the ISO-14001 Environmental Management System to further enhance environmental performance. Our main objectives and commitments are to:

• Conduct operation in a responsible manner free from recognized hazards.

• Comply with applicable environmental, safety, and health laws and regulations and make records of performance available to the public.

• Respect the safety, environmental concerns, and health of our employees, customers, suppliers, and community neighbors.

• Continual improvement and prevention of pollution through setting and reviewing environmental objectives and targets.

To learn more about Seals Eastern

Premium Quality Seals...
For a Cleaner, Safer, More Reliable World.TM




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explosive decompression resistant rings, seals, and o-rings for compressors and turbines


orings, gaskets, o-rings and seals for heavy duty diesel engines


o-rings, gaskets, and seals for aggressive chemicals

FastDash is a trademark of Seals Eastern, Inc.; OringOnline is a registered trademark of Seals Eastern, Inc.; 7182 is a trademark of Seals Eastern, Inc.; AFLAS is a registered trademark of Asahi Glass Co., Ltd.; Viton is a registered trademark of Dupont Performance Elastomers, LLC.