Superior Seals | Exceptional Service
Premier Manufacturer and Distributor of Seals & Gaskets
Superior Seals
Exceptional Service
WE ARE ISO9001:2015 & AS9100D CERTIFIED.
Industries
Industrial
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Communication & IT
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Military
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Aerospace
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Fluid Power
O-Rings
O-rings from Parker’s O-ring and Engineered Seals Division are available in both standard and metric sizes.
Gaskets
Die-cut gaskets and industrial gaskets are available for needs of temperature, chemical compatibility, pressure and more.
Molded Rubber Parts
Custom molded rubber parts made in the US have several advantages and are available for compression, transfer, and injection molding.
EMI Shielding
We offer EMI shielding O-rings and EMI conductive gaskets for ruggedized and outdoor EMI applications.
Thermal Management
We provide Thermal Interface Materials from Parker Chomerics. These materials have been designed into many applications.
GORE Vents
GORE vents let sealed enclosures breathe, allowing airflow in and out, and improve enclosure failed seals performance.
Sponge Cellular Foams
When designed for the application, sponge is an ideal solution for sealing out harsh environmental elements to help engineers meet IP specs.
Adhesives & Sealants
We offer pressure-sensitive adhesives (PSA’s), tapes, threadlockers, epoxies, sealants, and one or multi-part sealants.
Events
Latest Post
How Heat and Humidity Impact Sealing Performance—and How to Prevent Summer Seal Failures
As temperatures rise, sealing performance can suffer. Summer heat, humidity, and UV exposure pose major challenges for gaskets, O-rings, and enclosure seals—especially in outdoor, industrial, or electronics applications. If you're not using the right materials or...
Local Innovation Targets Global Problem: A UB Breakthrough on PFAS Removal
At Sealing Devices, we’re proud to manufacture just outside Buffalo, New York—a region known for its industrial history and growing reputation for advanced materials research. That reputation just got a boost. Scientists at the University at Buffalo (UB) have made...
What Engineers Need to Know About Supply Chain Resilience in 2025
Between global material shortages, freight disruptions, and shifting compliance requirements, supply chain resilience is no longer just a sourcing issue—it’s an engineering one too. In 2025, engineers are playing a more active role in selecting materials, qualifying...
About Us
It all started with an investment of $157
July 1966
Sealing Devices moved to an old battery manufacturing plant on Neoga Street in Depew, NY to keep up with the expanding business.
July 1963
Terry Galanis, Sr. launched Sealing Devices Inc. from his Alden, NY home
