JB/T 9839-2013 (English Version) PDF

Scope: This standard specifies the terms and definitions, parameters, symbols and units, classification and basic parameters, requirements, performance test methods, assembly and appearance inspection methods, inspection rules, Logo and packaging. This standard only applies to cycloidal rotary valve-type closed-center non-reactive fully hydraulic steering gears (hereinafter referred to as steering gears) that use hydraulic oil or other mineral oils with equivalent performance as the working medium and have a pressure level of 16 MPa.

JB/T 9839-2013 Referenced Document

GB/T 14039-2002 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
GB/T 17446 Fluid Transmission Systems and Components Glossary*， 2024-03-15 Update
GB/T 2346 Fluid power systems and components--Nominal pressures
GB/T 2347 Hydraulic fluid power--Pumps and motors--Geometric displacements
GB/T 2828.1-2012 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 786.1 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 1: Graphical symbols*， 2021-05-21 Update
GB/T 7935-2005 Hydraulic fluid power.General requirements for hydraulic components
JB/T 7858-2006 Method to determine cleanliness and acceptance criterions for hydraulic components

2013 JB/T 9839-2013 Full-hydraulic steering control unit.Cycloid rotary valve and non reaction with closed-center type
1999 JB/T 9839-1999 Technical specifications for orbit hydrostatic steering gear with closed-center rotary valve