Connections for Fluid Power and General Use—Hydraulic Couplings—Diagnostic Port Sizes and Locations
SAE J1298 covers the recommended diagnostic port sizes for use in measuring hydraulic fluid temperature, pressure, flow, and for obtaining fluid samples. See SAE J1502 for the detailed coupling specifications.
Reviewed the document and updated it. Reference to SAE J2244-2 are removed because that document is being withdrawn and replaced by ISO 6149-2. All references to the year of publication of ISO documents are removed as the users are urged to used the latest edition of the document.
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Fluid power systems
Seals and gaskets
Also known as: SAE J 1298
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