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AEROSPACE HOSE ASSEMBLY RELIABILITY DISCUSSION

2010-06-03
WIP
AIR6444
The scope of this document is limited to the discussion of the performance life of aerospace hose assemblies. By definition, hose assembly life may only be evaluated on the basis of design and application. This means the only meaningful evaluation can be conducted on the basis of hose assembly part number and its intended application.
Standard

FLEXURE FATIGUE STRENGTH OF TUBE FITTING JOINTS

1993-04-01
HISTORICAL
AIR1418
This information report presents flexure fatigue strength of tube fitting joints in the form of graphs showing applied deflection D and total calculated axial stress S vs. number of cycles to failure N. The graphs have been prepared from data obtained by actual testing conducted in accordance with ARP 1185.
Standard

Flexure Fatigue Strength of Tube Fitting Joints

1996-08-01
CURRENT
AIR1418A
This SAE Aerospace Information Report (AIR) presents flexure fatigue strength of tube fitting joints in the form of graphs showing applied deflection D and total calculated axial stress S versus number of cycles to failure N. The graphs have been prepared from data obtained by actual testing conducted in accordance with ARP1185.
Standard

Standard Impulse Machine Equipment and Operation

2009-01-07
CURRENT
AIR1228A
This SAE Aerospace Information Report (AIR) establishes the specifications and descriptions of the critical components and operational guidelines for the standard hydraulic impulse machine for testing hydraulic hose assemblies, tubing, coils, fittings and similar fluid system components. This revision to the AIR1228 provides a description of a system that meets the requirements for specifications including: AS603, AS4265, and ARP1383. This impulse system utilizes closed loop servo control with specifically generated command signal waveforms. Data accuracy and integrity are emphasized in this revision. Knowing the uncertainty of the pressure measurement is important whether using a resonator tube system, as described in the original release of this document, or a closed-loop systems as described in this release. The accuracy of the data measurement system and consistency of the pressure waveform are fundamental to test validity, regardless of the system type.
Standard

Trademarks, Hydraulic System Component Manufacturers, Index of

1993-03-01
CURRENT
AIR1973A
This index of trademarks of current and former manufacturers of aerospace fittings, couplings, hose, and tube support devices is within the scope of activities of the SAE G-3 Committee and available at the time of publication. Suggestions for additional entries may be sent to the SAE in Warrendale, PA.
Standard

INDEX OF HYDRAULIC SYSTEM COMPONENT MANUFACTURERS AND THEIR TRADEMARKS

1987-01-01
HISTORICAL
AIR1973
Listings are current and former manufacturers of aerospace fittings, couplings, hose and tube support devices that are within the scope of activities of the SAE G-3 Committee and available at the time of publication. Suggestions for additional listings may be sent to the SAE in Warrendale, PA.
Standard

Torsion Strength Testing of Hydraulic Tube Joints

1992-07-01
CURRENT
ARP4457
This Aerospace Recommended Practice (ARP) establishes uniform requirements and procedures to determine the torsional strength of permanent hydraulic tube joints. It also establishes testing equipment and apparatus for torsion testing.
Standard

Standardization, Hydraulic Tube Walls

1997-03-01
CURRENT
AS4467
This SAE Aerospace Standard (AS) defines a series of standardized tube walls to be used for high pressure hydraulic tubing. These tube walls are applicable to all homogenous tube materials (i.e., aluminum, steel, titanium) throughout a rated pressure range of 1000 to 8000 psi and a maximum rated operating temperature range of 160 to 450 °F. All future aerospace applications for which a required tube outside diameter/tube wall combination is not presently available shall be selected from the table contained herein (see Figure 1).
Standard

Hose Assembly, Polytetrafluoroethylene, Para-Aramid Reinforced Heavy-Duty, 275 °F 3000 psi, Aircraft Hydraulic Systems

1995-09-01
HISTORICAL
AS4623A
This document defines the requirements for heavy-duty polytetrafluoroethylene (PTFE) lined, para-aramid reinforced, hose assembly suitable for use in 275 °F, 3000 psi aircraft systems where rapid rate pressure pulsing and torsional/longitudinal flexing may occur in addition to normal hydraulic system loading. Size -16 and -20 are limited to +225 °F service.
Standard

Hose Assembly, Polytetrafluoroethylene, Para-Aramid Reinforced, 3000 psi, 275 °F, Heavy Duty, Aircraft Hydraulic Systems

1992-06-15
HISTORICAL
AS4623
This document defines the requirements for heavy-duty polytetrafluoroethylene (PTFE) lined, para-aramid reinforced, hose assembly suitable for use in 275 °F, 3000 psi aircraft systems where rapid rate pulsing and torsional/longitudinal flexing may occur in addition to normal hydraulic system loading. Size -16 and -20 are limited to +225 °F service.
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