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Centurion™ Brush Seal


Catalog excerpts

Centurion™ Brush Seal - 1

A Better Alternative To Labyrinth Seals Improved Centurion Brush Seal Eaton's Centurion Improved Brush Seals are very high tip speed, high temperature seals, usually applied in the secondary and tertiary flow paths in gas turbine engines, capable of surface speeds up to 1,100 f/s (feet per second) and withstanding temperatures up to 1,200°F (648°C). As a replacement for labyrinth leals, brush seals evidence 20% to 40% less leakage while their bristles are in optimal condition. In addition, Centurion Improved Brush Seals weigh far less than labyrinth seals and take less axial cavity space. Eaton's Patented Design Increases Bristle Life Eaton's patented design holds the bristle pack in place, preventing deformation and stiffening, common problems affecting the longevity of the traditional brush seal. This design allows the seal to last longer at an optimal sealing performance than ordinary brush seals. Benefits for using the Centurion Improved Brush Seals • Better seal, means more efficiently operating motor = improved Mean Time Between Repair (MTBR) • The better seal means fuel efficiency, with up to a .4% specific fuel cost savings as indicated by research (AIAA - Mahler and Boyles, 1995) • Far less weight Capability Ranges Operating Pressures: 100 psid (690 kPa) per stage Temperature: Cryogenic to 1,200°F (650°C) Surface Speeds: Static to 1,100ft/s (335m/s) Radial Excursions: Up to 0.030in (0.76mm) Sizes: 2 in. to greater than 40 in. (.05-1.0 meters); larger diameters for segmented seals Powering Business Worldwide

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Centurion™ Brush Seal - 2

F:T*N Powering Business Worldwide Eaton Aerospace Group Fluid & Electrical Distribution Division 10 New Road East Providence RI 02916 Phone: (401) 781-4700 Fax: (401) 785 4614 Copyright © 2013 Eaton All Rights Reserved Copying or Editing is Forbidden Form No. DS100-30C October 2013

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