Qualiseal Technology

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Harwood Heights, IL  |  708-887-6080

Since 1951, Qualiseal Technology (QT) designs and manufactures custom mechanical seals for the aerospace industry and others that require unusual sealing performance with challenging parameters. Our seals can be found worldwide on hundreds of aircraft, high performance air compressors, and other sealing applications. QT has served the aerospace and centrifugal air compressor industries.

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