Installation and Use of Equilateral Triangle Cross-Section Hydraulic O-Ring Seal Backup Rings (Dyna-Baks)(NONCURRENT May 1997)

Standard:
Reaffirmed:
  • 2008-07-16
 
  • HISTORICAL Access the latest revision: AIR1186A
Publisher:
  • SAE International
Pages:
16
Scope:

The use of equilateral triangle cross-section hydraulic seal backup rings has been found to improve the life and reliability of high pressure O-ring seals especially for high temperature applications. This Aerospace Information Report (AIR) describes the design and operation of these backup rings, tabulates recommended seal groove and gland dimensions, offers recommendations and suggestions for their installation into hydraulic components, and outlines their advantages and limitations of their use.

History:
Standard Published Revision Status
AIR1186A 2011-12-19 Latest Stabilized
2008-07-16 Historical Reaffirmed
AKA:
  • SAE AIR 1186
Sector:
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