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GB - Chinese national standards - Page 177

Standards GB - Chinese national standards - Page 177

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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Publication year
Preview GB/T 1224-2016 29.8.2016
GB/T 1224-2016

General terms and signs for geometrical optics

Standard published on 29.8.2016

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electronic design (pdf) (1123.80 USD)


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1 123.80 USD


in 7 working days
Preview GB/T 12240-2008 25.6.2008
GB/T 12240-2008

Iron plug valves

Standard published on 25.6.2008

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electronic design (pdf) (523.80 USD)


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523.80 USD


in 3 working days
Preview GB/T 12241-2021 9.3.2021
GB/T 12241-2021

Safety valves—General requirements

Standard published on 9.3.2021

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electronic design (pdf) (306.30 USD)


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306.30 USD


IN STOCK
Preview GB/T 12242-2021 9.3.2021
GB/T 12242-2021

Pressure relief devices—Performance test code

Standard published on 9.3.2021

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electronic design (pdf) (1536.30 USD)


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1 536.30 USD


in 8 working days
Preview GB/T 12243-2021 30.4.2021
GB/T 12243-2021

Spring loaded safety valves

Standard published on 30.4.2021

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electronic design (pdf) (456.30 USD)


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456.30 USD


IN STOCK
Preview GB/T 12244-2006 25.12.2006
GB/T 12244-2006

General requirements for pressure reducing valves

Standard published on 25.12.2006

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electronic design (pdf) (261.30 USD)


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261.30 USD


in 3 working days
Preview GB/T 12244-2025 5.10.2025
GB/T 12244-2025

Pressure reducing valves—General requirements
Execute Date: may 2026

Standard published on 5.10.2025

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electronic design (pdf) (248.80 USD)


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248.80 USD


in 3 working days
Preview GB/T 12245-2006 25.12.2006
GB/T 12245-2006

Methods of performance test for pressure reducing valves

Standard published on 25.12.2006

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electronic design (pdf) (361.30 USD)


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361.30 USD


in 3 working days
Preview GB/T 12245-2025 31.10.2025
GB/T 12245-2025

Methods of performance test for pressure reducing valves
Execute Date: may 2026

Standard published on 31.10.2025

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electronic design (pdf) (448.80 USD)


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448.80 USD


in 4 working days
Preview GB/T 12246-2006 25.12.2006
GB/T 12246-2006

Pilot operated pressure reducing valves

Standard published on 25.12.2006

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electronic design (pdf) (323.80 USD)


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323.80 USD


in 3 working days

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