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SAE ARP4146 Revision C, December 1, 2012
Coiled Tubing – Titanium Alloy, Hydraulic Applications, Aerospace
Description / Abstract:
This SAE Aerospace Recommended Practice (ARP) addresses the
design, installation, and testing of coiled tube assemblies using
Ti-3Al-2.5V cold worked, stress relieved (CWSR) tubing per AMS4945.
It specifically details five different configurations of coiled
tubing.
The configurations detailed herein should be compatible with pressure levels up to 8000 psi (55.2 MPa) upon completion of analysis for the actual stress and life requirement of the intended application.
Formal qualification tests are recommended to verify satisfactory installation, clamping, and the life of each unique design.
NOTE: For information on design of coiled tube assemblies using CRES steel tubing, see ARP584.
Purpose
The purpose of this document is to provide data and information relative to design, fabrication, and installation of formed tubing made from titanium alloy. The formed tubing has the function of accepting relative motion between two points in a hydraulic system.
Field of Application
The use of coiled tubes is encouraged in the design of hydraulic systems per AS5440 or ARP4752/ARP4925, and for pneumatic systems per MIL-P-5518 when standard flexible hoses are not feasible due to installation constraints, compliance limitations, and effusion requirements.
The configurations detailed herein should be compatible with pressure levels up to 8000 psi (55.2 MPa) upon completion of analysis for the actual stress and life requirement of the intended application.
Formal qualification tests are recommended to verify satisfactory installation, clamping, and the life of each unique design.
NOTE: For information on design of coiled tube assemblies using CRES steel tubing, see ARP584.
Purpose
The purpose of this document is to provide data and information relative to design, fabrication, and installation of formed tubing made from titanium alloy. The formed tubing has the function of accepting relative motion between two points in a hydraulic system.
Field of Application
The use of coiled tubes is encouraged in the design of hydraulic systems per AS5440 or ARP4752/ARP4925, and for pneumatic systems per MIL-P-5518 when standard flexible hoses are not feasible due to installation constraints, compliance limitations, and effusion requirements.
SAE ARP4146 Revision C, December 1, 2012
Coiled Tubing – Titanium Alloy, Hydraulic Applications, Aerospace