SAE J1235-1986
Measuring and Reporting the Internal Leakage of a Hydraulic fluid power Valve

Standard No.

SAE J1235-1986

Release Date

1986

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced 2015-09

Replace By

SAE J1235-2015

Latest

SAE J1235-2023

Scope

To provide a uniform laboratory procedure for measuring and reporting the fluid flow (leakage) across a restricted flow path in a hydraulic fluid power valve. This procedure applies to directional control valves or other valves which in various positions direct or block fluid flow as applied to self- propelled work machines as referenced in SAE J1116.

SAE J1235-1986 Referenced Document

• ASME Y32.10-1967 Graphic Symbols for Fluid Power Diagrams (Y32.10 - 1967)
• ISO/R 1219 
• SAE J1116 Categories of Off-Road Self-Propelled Work Machines*， 2013-01-02 Update

SAE J1235-1986 history

• 2023 SAE J1235-2023 Measuring and Reporting the Internal Leakage of a Hydraulic Fluid Power Valve
• 2015 SAE J1235-2015 Measuring and Reporting the Internal Leakage of a Hydraulic Fluid Power Valve
• 1986 SAE J1235-1986 Measuring and Reporting the Internal Leakage of a Hydraulic fluid power Valve
• 1978 SAE J1235-1978 Measuring and Reporting the Internal Leakage of a Hydraulic Fluid Power Valve@ Recommended Practice