Brush

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. 

Specifications Centurion Brush Seal Datasheet
 
Features
  • Better seal, means more efficiently operatingmotor = improved MeanTime Between Repair(MTBR)
  • Far less weight
  • Operating Pressures: 100 psid (690 kPa) per stage
  • Surface Speeds: Static to 1,100ft/s (335m/s)
  • Temperature: Cryogenic to 1,200°F (650°C)
  • The better seal meansfuel efficiency, with up toa .4% specific fuel costsavings as indicated byresearch (AIAA – Mahlerand Boyles, 1995)
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