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SAE AS5440

(R) Hydraulic Systems, Military Aircraft, Design and Installation, Requirements For

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Organization: SAE
Publication Date: 1 January 2011
Status: active
Page Count: 44
scope:

This specification covers the design and installation requirements for Types I and II aircraft hydraulic systems.

Classification

Aircraft hydraulic systems shall be of the following types and classes, as specified:

Types:

Type I Maximum fluid operating temperature +160°F (+71°C).

Type II Maximum fluid operating temperature +275°F (+135°C).

Classes

The class of operating pressure shall consist of the following:

a. Class 1500. 1500 psi (10 342 kPa) nominal operating pressure

b. Class 3000. 3000 psi (20 684 kPa) nominal operating pressure

c. Class 4000. 4000 psi (27 579 kPa) nominal operating pressure

d. Class 5000. 5000 psi (34 473 kPa) nominal operating pressure

e. Class 8000. 8000 psi (55 158 kPa) nominal operating pressure

For variable pressure level systems, such as 5000 psi and 3000 psi, the highest pressure shall determine the pressure class. The pressure class shall be annotated with a "V" to indicate variable pressures (example: class 5000V)

intended Use:

The design and installation requirements covered by this specification are intended for use in aircraft hydraulic systems, such as the utility system, the flight control system,... View More

Document History

SAE AS5440
January 1, 2011
(R) Hydraulic Systems, Military Aircraft, Design and Installation, Requirements For
This specification covers the design and installation requirements for Types I and II aircraft hydraulic systems. Classification Aircraft hydraulic systems shall be of the following types and...
April 1, 1998
Hydraulic Systems, Aircraft, Design and Installation Requirements for
1. SCOPE: 1.1 Scope: This specification covers the design and installation requirements for Types I and II aircraft hydraulic systems. 1.2 Classification: Aircraft hydraulic systems shall be of the...

References

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