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SAE J2494-3 2007 Edition, August 1, 2007
Performance Requirements for SAE J844 Non-metallic Air Brake Tubing and
Push to Connect Fitting Assemblies Used in Vehicular Air Brake Systems
Description / Abstract:
This SAE Standard is intended to establish uniform performance
criteria and methods of testing push to connect tube fittings, with
SAE J844 air brake tubing as used in vehicular air brake
systems.
The specific tests and performance criteria applicable to the tubing are set forth in SAE J844. The test values contained in this performance standard are for test purposes only. For environmental and usage limitations, see SAE J844.
General Requirements
a. Test temperature shall use ±3 °C as the test tolerance range.
b. Ambient temperature shall be 24 °C.
c. All test times are minimum times unless otherwise specified.
d. Dry Air shall be a minimum of –50 °C dew point.
e. Tubing shall be cut square at 90 degrees ± 7 degrees.
f. Precondition all test specimens at 700 kPa ± 70 kPa for 30 s without any leakage.
g. New specimens shall be used for all tests.
The specific tests and performance criteria applicable to the tubing are set forth in SAE J844. The test values contained in this performance standard are for test purposes only. For environmental and usage limitations, see SAE J844.
General Requirements
a. Test temperature shall use ±3 °C as the test tolerance range.
b. Ambient temperature shall be 24 °C.
c. All test times are minimum times unless otherwise specified.
d. Dry Air shall be a minimum of –50 °C dew point.
e. Tubing shall be cut square at 90 degrees ± 7 degrees.
f. Precondition all test specimens at 700 kPa ± 70 kPa for 30 s without any leakage.
g. New specimens shall be used for all tests.
SAE J2494-3 2007 Edition, August 1, 2007
Performance Requirements for SAE J844 Non-metallic Air Brake Tubing and
Push to Connect Fitting Assemblies Used in Vehicular Air Brake Systems