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Standards GB - Chinese national standards - Page 730
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
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GB/T 17213.13-2005
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Industrial-process control valves Part 6-2:Mounting details for attachment of Positioners to control valves-Positioner mounting on rotary actuators
Standard published on 9.9.2005
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GB/T 17213.14-2018
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Industrial-process control valves—Part 8-2: Noise considerations—Laboratory measurement of noise generated by hydrodynamic flow through control valves
Standard published on 13.7.2018
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GB/T 17213.15-2017
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Industrial-process control valves—Part 8-3: Noise considerations—Control valve aerodynamic noise prediction method
Standard published on 29.12.2017
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GB/T 17213.16-2015
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Industrial-process control valves—Part 8-4: Noise considerations—Prediction of noise generated by hydrodynamic flow
Standard published on 10.12.2015
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GB/T 17213.17-2010
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Industrial-process control valves - Part 2-5: Flow capacity - Sizing equations for fluid flow through multistage control valves with interstage recovery
Standard published on 14.1.2011
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GB/T 17213.18-2015
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Industrial-process control valves—Part 9: Test procedure for response measurements from step inputs
Standard published on 10.12.2015
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GB/T 17213.2-2017
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Industrial-process control valves—Part 2-1: Flow capacity—Sizing equations for fluid flow under installed conditions
Standard published on 29.12.2017
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GB/T 17213.3-2005
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Industrial-process control valves Part 3-1:Dimensions-Face-to-face dimensions for flanged,two-way,globe-type,straight pattern and center-to-face dimensions for flanged,two-way,globe-type,angle pattern control valves
Standard published on 9.9.2005
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GB/T 17213.4-2015
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Industrial-process control valves—Part 4: Inspection and routine testing
Standard published on 10.12.2015
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GB/T 17213.5-2008
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Industrial-process control valves - Part 5: Marking
Standard published on 30.6.2008
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