The SAE Recommended Practice specifies the test procedure to assure valve assemblies which are satisfactory for vehicle usage, and it is applicable to new valve assemblies for commercial production. It covers such valves where they are employed in passenger car and light truck brake systems utilizing motor vehicle hydraulic brake fluids. This procedure and requirements (SAE J1137) was developed for brake fluids conforming to SAE J1703 and FMVSS 116 (DOT 3); however, it may be utilized for valves which use DOT 4 or DOT 5 brake fluid.
These procedure specifications were developed for base brake operation and do not consider the effects of ABS (anti-lock brake systems) or traction control systems which may have a significant effect on the valve. Careful analysis of the particular type ABS and/or traction control (if included in the system) should be made and additional tests are required which are not included in this document. Provisions for ABS and traction control will be incorporated in a future revision or covered in a separate document.
The minimum performance requirements are specified in SAE J1137.
Rationale
The use of hydraulic valves had decreased with the advent of electronic controls so this standard should be stabilized.
Develop, improve, upgrade and/or maintain uniform and comprehensive standards, recommended practices, information reports and/or requirements that represent and permit uniform testing for hydraulic brake actuation components and systems. They should enhance development, evaluation, and optimization with accelerated testing methods that will provide needed products which maximize safety. They shall provide cost-effective components with essential quality, performance, and longevity for brake and interrelated system operation that will encompass the global automotive brake industry.
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J1118_201212
Hydraulic Valves for Motor Vehicle Brake Systems Test Procedure
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Hydraulic Valves for Motor Vehicle Brake Systems Test Procedure
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