Sealing Devices Inc.

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Lancaster, NY  |  716-684-7600

In 1963 Terry Galanis Sr. launched Sealing Devices Inc. providing customers with quality parts, reliable service, and fair prices for EMI shielding, O-rings, and gaskets industries. The company has been rapidly growing into one of the leaders in industries throughout the nation, headquartered in Western New York and offices in Rochester, Syracuse, NY; Erie, PA and Colorado Springs, CO. We are always looking to invest in innovative technologies to provide the best customer service, while improving our operating efficiencies. Sealing Devices, Inc.’s customer base continues to grow steadily, leading in many industries including the Industrial, Aerospace, Automotive, and Telecommunication markets. With products including O-Rings, Gaskets, EMI Shielding, Sponge Cellular Foams, Gore Vents, Molded Rubber, Adhesives, and Sealants, we’re confident you will find what you’re looking for. We custom make many of our products to fit your specific conditions and requirements. Sealing Devices provides unparalleled customer assistance in designing materials on the front end of projects, our Engineers share years of experience and product knowledge in suggesting materials and product solutions to fit any of your applications. All of our staff is trained within the field and we’d be happy to answer any questions you may have. Feel free to reach out so we can discuss all your application and sealing needs.

O-Rings Power Pages

O-Rings

O-Rings

An O-ring is a round elastic loop that is used as a seal for static and dynamic applications. Their main purpose is to serve as a seal between structures such as pipes, tubes, in pistons, and cylinders. O-rings are made of various materials depending on how they will be used and are highly pliable...

Rubber O-Rings

Rubber O-Rings

A rubber O ring is a mechanical gasket in the shape of a torus or donut and is used for static and dynamic applications where there is relative motion between parts and the possibility of friction. Some of the benefits of rubber O rings are...

Hydraulic Seals

Hydraulic Seals

Hydraulic seals are a form of gasket-like rings that are used to fill gaps between hydraulic cylinder components. Many different components are found in hydraulic cylinders, some of which get in...

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