Aerospace - Accumulator, Hydraulic, Cylindrical, Piston Separated

Standard:
Revised:
  • 2007-11-20
 
  • HISTORICAL Access the latest revision: ARP4379B
Publisher:
  • SAE International
Pages:
16
Scope:

This SAE Aerospace Recommended Practice (ARP) is intended as a guide in defining the requirements for aerospace piston separated hydraulic accumulators, including details pertinent to the design, fabrication, and performance of the accumulator. This type of accumulator has a piston separator and contains both high-pressure gas and fluid. The accumulator is used in aerospace hydraulic systems of the following types as defined in SAE AS 5440 with design operating pressures of up to 8000 psi (55,160 kPa).

Type I: -65 to +160 °F (-54 to +71 °C) fluid temperature

Type II: -65 to +275 °F (-54 to +135 °C) fluid temperature

For commercial aerospace or helicopter applications, the information and guidelines of SAE ARP 4752 or SAE ARP 4925 respectively, are considered.

Rationale:

ARP4379 has been revised to issue A for the following reasons:

  • Major editorial changes
  • Document restructured and reformatted in its entirety to reflect latest industry practice and standards
  • Vessel Proof and Burst factors changed for commercial to comply with new regulations
  • Updated references
  • New and revised technical and test requirements have been incorporated
  • History:
    Standard Published Revision Status
    ARP4379B 2016-04-20 Latest Revised
    2007-11-20 Historical Revised
    1991-06-11 Historical Issued
    AKA:
    • SAE ARP 4379
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