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GB - Chinese national standards - Page 167

Standards GB - Chinese national standards - Page 167

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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Preview GB/T 12227-2025 31.10.2025
GB/T 12227-2025

General purpose industrial valves—Technical specification for ductile iron castings

Standard published on 31.10.2025

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 12228-2025 31.10.2025
GB/T 12228-2025

General purpose industrial valves—Technical specification for carbon steel forgings

Standard published on 31.10.2025

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electronic design (pdf) (358.80 USD)


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358.80 USD


in 3 working days
Preview GB/T 12229-2025 31.10.2025
GB/T 12229-2025

General purpose Industrial valves—Technical specification for carbon steel castings

Standard published on 31.10.2025

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electronic design (pdf) (358.80 USD)


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358.80 USD


in 3 working days
Preview GB/T 12230-2023 23.5.2023
GB/T 12230-2023

General purpose industrial valves—Specification of stainless steel castings

Standard published on 23.5.2023

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electronic design (pdf) (312.00 USD)


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312.00 USD


IN STOCK
Preview GB/T 12232-2025 31.10.2025
GB/T 12232-2025

General purpose industrial valves—Flanged iron gate valves

Standard published on 31.10.2025

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 12233-2025 31.10.2025
GB/T 12233-2025

General purpose industrial valves—Casting iron globe valves and lift check valves

Standard published on 31.10.2025

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 12234-2019 18.10.2019
GB/T 12234-2019

Bolted bonnet steel gate valves for petroleum and natural gas industries

Standard published on 18.10.2019

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electronic design (pdf) (622.80 USD)


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622.80 USD


in 5 working days
Preview GB/T 12235-2025 31.10.2025
GB/T 12235-2025

Steel globe valves and lift check valve for petroleum, petrochemical and allied industries

Standard published on 31.10.2025

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electronic design (pdf) (622.80 USD)


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622.80 USD


in 5 working days
Preview GB/T 12236-2025 31.10.2025
GB/T 12236-2025

Steel swing check valve for petroleum, petrochemical and allied industries

Standard published on 31.10.2025

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electronic design (pdf) (550.80 USD)


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550.80 USD


in 4 working days
Preview GB/T 12237-2021 9.3.2021
GB/T 12237-2021

Steel ball valves for petroleum, petrochemical and allied industries

Standard published on 9.3.2021

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electronic design (pdf) (490.80 USD)


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490.80 USD


in 4 working days

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