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【范围】
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1.1 This ARP establishes the basic test and design requirements for permanently attached tube fittings
for use in aerospace fluid systems. Definitions of fitting and related terms are included in 6.3.
1.2 Purpose:
This document recommends the tooling envelope, design criteria, and test requirements for tube
fittings attached to tubing by methods which are usually considered to be permanent (brazing,
welding, swaging, shrink fit, etc.).
1.3 Classification:
Fittings covered by this specification shall be of the following types and classes:
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Class
1500 psi (10 MPa) Where the cutout pressure at the main pressure
controlling device is 1500 psig ±15%
3000 psi (20 MPa) Where the cutout pressure at the main pressure
controlling device is 3000 psig ±15%
4000 psi (30 MPa) Where the cutout pressure at the main pressure
controlling device is 4000 psig ±15%
8000 psi (60 MPa) Where the cutout pressure at the main pressure
controlling device is 8000 psig ±15%strRefField
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