JB/T 8729-2013 (English Version) PDF

Scope: This standard specifies the basic parameters, technical requirements, test methods, inspection rules, marking and packaging requirements for hydraulic multi-way directional valves (hereinafter referred to as multi-way valves). This standard is applicable to hydraulic oil or other liquids with equivalent performance. Multi-way valve for working medium,

JB/T 8729-2013 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 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 2878.1 Connections for hydraulic fluid power. Ports and stud ends with metric threads and O-ring sealing. Part 1:Ports
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 Method to determine cleanliness and acceptance criterions for hydraulic components

2013 JB/T 8729-2013 Hydraulic fluid power.Multiple directional valve
1998 JB/T 8729.2-1998 Hydraulic fluid fower.Multiple directional valve.Test methods