Bearings Plus, Inc.

Brush Seals

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Typically used in air, steam, or process gas applications, Bearings Plus brush seal product offerings reduce the leakage gap between the sealing surface and rotor. The compliancy of a brush seal allows the bristles to deflect with minimal wear, thereby maintaining a small leakage gap over time and increasing operational efficiencies. Brush seals have been shown to reduce leakage by up to 80%.
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Our patented brush seal was originally developed for and continues to serve aerospace applications, with millions of successful operating hours since the first installation in the 1980s. Bearings Plus has taken the technology beyond aerospace into the harsh and demanding environments of industrial turbomachinery. 

The uniqueness of our product rests with its flexible sizing and replaceable bristle pack. These two features alone are technology differentiators and provide the benefits of quick turnaround times, ease of installation, and seal repair. These benefits coupled with efficiency gains provide valuable savings in solving your critical sealing needs.

Our brush seal offering can be divided into three primary areas of application:

  • Modular assemblies for industrial gas turbines
  • Augmented labyrinth seals for general turbomachinery
  • Custom-engineered modular assemblies for utility steam turbines