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Standard

Impulse Test Equipment

1960-03-01
HISTORICAL
ARP603
This recommended practice covers design schematics of two test machines capable of producing hydraulic impulse pressure cycles with a maximum operating pressure of 5000 psi.
Standard

IMPULSE TESTING OF HYDRAULIC HOSE, TUBING, AND FITTING ASSEMBLIES

2007-01-17
HISTORICAL
ARP603F
This Aerospace Recommended Practice (ARP) establishes the requirements and procedures for impulse testing of hose, tubing, and fitting assemblies for use in aerospace hydraulic systems of 8000 psi nominal operating pressure or less. It also refers to standard impulse test equipment to be used in conducting these impulse tests.
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 (PTFE), WIRE REINFORCED 204 °C, 28 000 kPa, HYDRAULIC, METRIC

1994-01-01
HISTORICAL
MA614
This SAE Aerospace Standard establishes the requirements for polytetrafluoroethylene (PTFE) hose assemblies for use in aerospace hydraulic systems at temperatures between -55 °C and 204 °C and at a nominal pressure up to 28 000 kPa (280 bar). The hose assemblies are also suitable for use within the same temperature and pressure limitations in aerospace pneumatic systems where some gaseous diffusion through the wall of the PTFE liner can be tolerated. The use of these hose assemblies in high pressure pneumatic storage systems is not recommended. In addition, installations in which the limits specified herein are exceeded, or in which the application is not covered specifically by this document, for example, oxygen, shall be subject to the approval of the purchaser.
Standard

Drawing Interpretation and Standard Machining Practices, Couplings, Fittings, and Hose Ends, Fluid Systems

2023-06-02
CURRENT
AS4296A
This SAE Aerospace Standard (AS) provides general information for the interpretation and clarification of engineering drawing requirements relating to the manufacture and inspection of fluid system couplings, tube fittings, and hose ends. Because it is impractical to define every minute detail of the part on the face of the drawing, this standard describes interpretations of dimensioning of general machining features and otherwise undefined tolerances that fall under the heading of “good shop practice.” This standard is supplemental to ASME Y14.5M-1994 and explains, defines, and interprets drawing terms or practices that are not addressed by ASME Y14.5M-1994. Unless otherwise specified in this standard, drawing interpretations contained in ASME Y14.5M-1994 shall apply.
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