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Automotive Tube Fittings
This SAE Standard covers complete general and dimensional specifications for the various types of tube fittings intended for general application in the automotive, appliance, and allied fields. Refer to SAE J1131 for the performance requirements of reusable (push to connect) fittings intended for use in automotive air brake systems. Flare-type fittings shall be as specified in Figures 1 to 4 and Tables 3 to 5. Inverted flared-type fittings shall be as specified in Figures 5 to 11 and Tables 3, 6, 7, 8, and 9. Gauges and gauging procedures pertaining to inverted flared tube fittings are given in Appendix A. Tapered sleeve compression-type fittings intended for general use with annealed copper alloy tubings shall be as specified in Figures 12 to 17 and Tables 3, 10, 11, and 12. To assure satisfactory performance, spherical sleeve compression-type fitting components (refer to SAE J246) should not be intermixed with tapered sleeve compression-type fitting components when assembling connections in areas where both types are available. Dimensions of single and double 45-degree flares on tubing to be used in conjunction with flared and inverted flared fittings are given in Figure 2 and Table 3 of SAE J533. The following general specifications supplement the dimensional data for all types of fittings contained in Tables 3 to 13 with respect to all unspecified detail. |
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