Qualiseal Sealing Solutions



Founded in 1951 in the Chicago area, Qualiseal Technology is a global leader in the design and manufacturing of custom-engineered mechanical seals for demanding aerospace applications. A division of QCC, the company assures the highest quality product at the greatest total value. Every time Qualiseal parts fly on a commercial flight or military mission, it’s a testament to its customer focus, design expertise, ISO9001:2008/AS9100-C registered processes. Look up, and you’ll see thousands of Qualiseal parts flying in commercial airliners, military fighters, transports, helicopters and regional and business jets. Applications include starters, auxiliary power units, gearboxes, fuel systems, hydraulic systems and scavenge pumps.

In addition to aerospace, Qualiseal also provides seals for the centrifugal air compressor (CENTAC), food, military and other industrial markets, satisfying their need for mechanical seals in critical applications. Tomorrow, just like today, the company will continue its passion for pushing the limits of technology, and finding ways to help its customers accomplish their unique sealing requirements. That's why customers across the world choose Qualiseal for its unwavering commitment to quality, the way it creatively solves problems that others can’t.