We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Hydraulic two-port slip-in cartridge valves—Technical requirements
Standard published on 1.11.2017
Selected format:Hydraulic fluid power-General requirements for hydraulic components
Standard published on 11.7.2005
Selected format:Hydraulic fluid power-positive displacement pumps and motors - Determination of derived capacity
Standard published on 31.12.2012
Selected format:Connections for hydraulic fluid power—Test methods—Part 1: Connectors
Standard published on 15.3.2024
Selected format:Connections for hydraulic fluid power—Test methods—Part 2: Quick-action couplings
Standard published on 28.5.2024
Selected format:Connections for hydraulic fluid power—Test methods—Part 3:Hose assemblies
Standard published on 23.5.2023
Selected format:Strenthened cup head square neck bolts
Standard published on 31.12.2021
Selected format:Pneumatic fluid power - Five-port directional control valves - Part 1: Mounting interface surfaces without electrical connector
Standard published on 25.6.2008
Selected format:Pneumatic fluid power - Five-port directional control valves - Part 2: Mounting interface surfaces with optional electrical connector
Standard published on 25.6.2008
Selected format:Refrigeration test system
Standard published on 18.10.2019
Selected format:Latest update: 2026-07-31 (Number of items: 2 290 450)
© Copyright 2026 NORMSERVIS s.r.o.