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This SAE Information Report lists common port connection types used in truck, bus, truck-trailer, converter dolly, and multi-purpose vehicles with air brake systems at the time of publication. The purpose of the document is to give system designers and users a starting point for connector selection and a reference to the standards that govern these connector types. Also included are notes on common practices associated with these ports. CAUTION: Consult the relevant standard for the connector before making a decision on suitability for use in a specific application.

This SAE Standard is intended to establish uniform methods of testing SAE J844 tubing and fitting assemblies as used in automotive air brake systems. This document also establishes minimum qualifications for tensile and pressure capabilities, vibrational durability under cyclic temperatures, serviceability, and fitting compatibility requirements. The specific tests and performance criteria applicable to the tubing are set forth in SAE J844. NOTE—The test values contained in this document are for test purposes only. For environmental and usage limitations see SAE J844. Fittings—A type of fitting for use with SAE J844 nonmetallic tubing is included in SAE J246; however, it is not intended to restrict or preclude the use of other designs of fittings that comply with this document.

This standard is intended to establish uniform methods of testing SAE J844 tubing and fitting assemblies as used in automotive air brake systems. This standard also establishes minimum qualifications for tensile and pressure capabilities, vibrational durability under cyclic temperatures, serviceability, and fitting compatibility requirements. The specific tests and performance criteria applicable to the tubing are set forth in SAE J844. Note—The test values contained in this performance standard are for test purposes only. For environmental and usage limitations see SAE J844. Fittings—A type of fitting for use with SAE J844 nonmetallic tubing is included in SAE J246b; however, it is not intended to restrict or preclude the use of other designs of fittings that comply with this standard.

This SAE Standard is intended to establish uniform methods of testing SAE J844 tubing and fitting assemblies as used in automotive air brake systems. This document also establishes minimum qualifications for tensile and pressure capabilities, vibrational durability under cyclic temperatures, serviceability, and fitting compatibility requirements. The specific tests and performance criteria applicable to the tubing are set forth in SAE J844.

This standard is intended to establish uniform methods of testing SAE J844d tubing and fitting assemblies as used in automotive air brake systems. This standard also establishes minimum qualifications for tensile and pressure capabilities, vibrational durability under cyclic temperatures, serviceability, and fitting compatibility requirements. The specific tests and performance criteria applicable to the tubing are set forth in SAE J844d. Note: The test values contained in this performance standard are for test purposes only. For environmental and usage limitations see SAE J844d. Fittings – A type of fitting for use with SAE J844d nonmetallic tubing is included in SAE J246b, however, it is not intended to restrict or preclude the use of other designs of fittings that comply with this standard.