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Standard

General Requirements for the Design and Testing of Civil Type Pressure Compensated, Variable Delivery Hydraulic Pumps
2022-11-02
CURRENT
AS595E
This SAE Aerospace Standard (AS) provides general design and test requirements for a flat cut-off pressure compensated, variable delivery hydraulic pump for use in a civil aircraft hydraulic system with a rated system pressure up to 5000 psi (34500 kPa). NOTE: Hydraulic pumps may incorporate features such as a clutch in the input drive, which will not be covered by this standard.
Standard

Procedure for Inspection of In-Service Airborne Accumulators for Corrosion and Damage
2019-11-12
CURRENT
ARP4150A
This SAE Aerospace Recommended Practice (ARP) is a guide in establishing inspection procedures to determine the condition of in-service accumulators. Recommendations are also provided for corrective action if it is determined that the environment is contributing to the deterioration of the surface protection system treatments.
Standard

Self-Displacing Hydraulic Accumulator
2018-09-04
CURRENT
ARP4553B
This SAE Aerospace Recommended Practice (ARP) provides recommendations for design and test requirements for self-displacing hydraulic accumulators.
Standard

Aerospace – Civil Type Variable Delivery, Pressure Compensated, Hydraulic Pump
2015-10-26
HISTORICAL
AS595D
This SAE Aerospace Standard (AS) establishes the general requirements for the design, construction, acceptance and qualification testing of flat cut-off pressure compensated, variable delivery hydraulic pumps, used in civil aircraft hydraulic systems. It also provides parameters for a Procurement Specification to be used in conjunction with this AS for each pump. NOTE: Hydraulic pumps may incorporate features such as a clutch in the input drive, which will not be covered by this standard.
Standard

Accumulators, Ground, Hydropneumatic Pressure
2012-07-11
CURRENT
ARP763A
This specification covers ground type hydropneumatic pressure accumulators for use in ground support hydraulic systems at rated pressures ranging up to 5,000 psi including details pertinent to the design, fabrication, and performance of the accumulators.
Standard

PROCEDURE FOR INSPECTION OF INSERVICE AIRBORNE ACCUMULATORS FOR CORROSION AND DAMAGE
2011-03-18
HISTORICAL
ARP4150
This SAE Aerospace Recommended Practice (ARP) is intended as a guide in establishing inspection procedures to determine the condition of inservice accumulators. A minimum inspection program is recommended to determine the existence of corrosion and damage. Recommendations are also provided for corrective action if it is determined that the environment is contributing to the deterioration of the surface protection system treatments.
Standard

Aerospace - Accumulator, Hydraulic, Self-Displacing
2008-12-19
HISTORICAL
ARP4553A
This SAE Aerospace Recommended Practice (ARP) is intended to provide design and qualification requirements for self-displacing hydraulic accumulators. These requirements are intended be included in the Procurement Specification for the accumulator. Those requirements identified by the use of “shall” are considered to be essential requirements; those requirements identified by the use of “should” are considered to be optional requirements for inclusion in the Specification at the discretion of the Purchaser. In addition, test methods for production acceptance and qualification purposes are provided.
Standard

Accumulators, Ground, Hydropneumatic Pressure
2008-07-17
HISTORICAL
ARP763
This specification covers ground type hydropneumatic pressure accumulators for use in ground support hydraulic systems at rated pressures ranging up to 5,000 psi including details pertinent to the design, fabrication, and performance of the accumulators.
Standard

Aerospace - Accumulator, Hydraulic, Cylindrical, Piston Separated
2007-11-20
HISTORICAL
ARP4379A
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 AS5440 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 ARP4752 or ARP4925 respectively, are considered.
Standard

Missile Hydraulic Pumps
2007-07-10
CURRENT
AIR560C
Missile pumps are categorized by a moderate testing life and a relatively short operational service life. Generally, the pumps are operated at higher speeds, temperatures, and pressures than those used in manned aircraft systems, yet reliability must be extremely high, since there rarely is a redundant system aboard the missile. Due to the short but critical life and performance requirements, development, reliability and acceptance testing should be focussed on eliminating infant mortality failures.
Standard

Aerospace - Civil Type Variable Delivery, Pressure Compensated, Hydraulic Pump
2003-09-25
HISTORICAL
AS595C
This SAE Aerospace Standard (AS) establishes the general requirements for the design, construction, acceptance and qualification test of pressure compensated, variable delivery hydraulic pumps, used in civil aircraft hydraulic systems. It provides additional parameters for a Procurement Specification to be used in conjunction with this AS for each pump. This AS is applicable to hydraulic pumps driven by an engine, in systems conforming to the general requirements of ARP4752, and the regulations of FAR and/or JAR 25. It is also applicable to pumps driven by other power sources such as electric motors, ram air turbines and engine bleed air turbines.
Standard

MISSILE HYDRAULIC PUMPS
1992-01-10
HISTORICAL
AIR560B
Missile pumps are categorized by a moderate testing life and a relatively short operational service life. Generally, the pumps are operated at higher speeds, temperatures, and pressures than those used in manned aircraft systems, yet reliability must be extremely high, since there rarely is a redundant system aboard the missile.
Standard

AIRCRAFT VARIABLE DELIVERY HYDRAULIC PUMPS
1959-02-01
HISTORICAL
AS595
This specification establishes the common requirements for variable delivery, hydraulic pumps, suitable for use in aircraft; and the methods to be used for demonstrating compliance with these requirements.
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