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GB - Chinese national standards - Page 4917

Standards GB - Chinese national standards - Page 4917

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 5135.23-2026 28.1.2026
GB 5135.23-2026

Automatic sprinkler system—Part 23Glass separation sprinklers
Execute Date: august 2027

Standard published on 28.1.2026

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electronic design (pdf) (814.80 USD)


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814.80 USD


in 5 working days
Preview GB 5135.3-2003 8.10.2003
GB 5135.3-2003

Automatic sprinkler system--Part 3: Water mist nozzles

Standard published on 8.10.2003

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electronic design (pdf) (156.00 USD)


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156.00 USD


IN STOCK
Preview GB 5135.3-2025 31.10.2025
GB 5135.3-2025

Automatic sprinkler system—Part 3:Water spray nozzle
Execute Date: november 2026

Standard published on 31.10.2025

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electronic design (pdf) (438.00 USD)


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438.00 USD


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Preview GB 5135.4-2003 8.10.2003
GB 5135.4-2003

Automatic sprinkler system--Part4: Dry pipe valves

Standard published on 8.10.2003

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electronic design (pdf) (466.80 USD)


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466.80 USD


in 3 working days
Preview GB 5135.4-2025 31.10.2025
GB 5135.4-2025

Automatic sprinkler system—Part4: Dry pipe valves and accelerator
Execute Date: november 2026

Standard published on 31.10.2025

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electronic design (pdf) (598.80 USD)


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598.80 USD


in 4 working days
Preview GB 5135.5-2018 7.6.2018
GB 5135.5-2018

Automatic sprinkler systems—Part 5:Deluge alarm valves

Standard published on 7.6.2018

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electronic design (pdf) (324.00 USD)


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324.00 USD


IN STOCK
Preview GB 5135.6-2018 6.2.2018
GB 5135.6-2018

Automatic sprinkler system—Part 6:Conventional valves

Standard published on 6.2.2018

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electronic design (pdf) (814.80 USD)


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814.80 USD


in 6 working days
Preview GB 5135.7-2018 7.6.2018
GB 5135.7-2018

Automatic sprinkler systems—Part 7:Water flow indicators

Standard published on 7.6.2018

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electronic design (pdf) (430.80 USD)


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430.80 USD


in 4 working days
Preview GB 5135.8-2003 8.10.2003
GB 5135.8-2003

Automatic sprinkler system--Part 8: Accelerator

Standard published on 8.10.2003

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electronic design (pdf) (250.80 USD)


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250.80 USD


in 3 working days
Preview GB 5135.9-2018 17.9.2018
GB 5135.9-2018

Automatic sprinkler system—Part 9:Early suppression fast response(ESFR) sprinklers

Standard published on 17.9.2018

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electronic design (pdf) (432.00 USD)


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432.00 USD


IN STOCK

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Latest update: 2026-07-01 (Number of items: 2 285 809)
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