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JB/T 12256-2015Specification for sintered stainless steel flame arrester elements for explosive gas atmospheres (English PDF)

爆炸性气体环境用烧结不锈钢金属隔爆元件技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 10, 2015

Implementation date

March 1, 2016

Scope

JB/T 12256-2015 is the English-translated version of 爆炸性气体环境用烧结不锈钢金属隔爆元件技术条件.

JB/T 12256-2015 is the Chinese machinery industry standard for the sintered stainless steel metal elements that isolate explosive gas. It sets terms and definitions, grades and marking methods, technical requirements, test methods and inspection rules, followed by marking, packaging, transport and storage.

The components it applies to are the sintered porous explosion-proof elements made from stainless steel metal powder and metal wire mesh for use in explosive atmospheres.

It quotes GB/T 1220, GB 3836.1-2010, GB 3836.2-2010, GB/T 5163-2006, GB/T 5249-2013 and GB/T 5250-2014. The document carries Chinese classification H72, and it was issued by the Ministry of Industry and Information Technology.

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Document preview — JB/T 12256-2015

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword
Scope
Normative references
About this standard
Classification and status

1 Foreword

JB/T 12256-2015 was issued by MIIT on 10 October 2015 and has been in force since 1 March 2016.

2 Scope

This standard is the Chinese machinery industry standard for the sintered stainless steel metal elements that isolate explosive gas. It sets terms and definitions, grades and marking methods, technical requirements, test methods and inspection rules, followed by marking, packaging, transport and storage. The components it applies to are the sintered porous explosion-proof elements made from stainless steel metal powder and metal wire mesh for use in explosive atmospheres. It quotes GB/T 1220, GB 3836.1-2010, GB 3836.2-2010, GB/T 5163-2006, GB/T 5249-2013 and GB/T 5250-2014. The document carries Chinese classification H72, and

3 Normative references

JB/T 12256-2015 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 1220

GB 3836.1-2010

GB 3836.2-2010

GB/T 5163-2006 — Sintered metal materials, excluding hard metals -- Permeable sintered metal materials -- Determination of density, oil content, and open porosity

GB/T 5249-2013 — Permeable sintered metal materials -- Determination of bubble test pore size

GB/T 5250-2014 — Permeable sintered metal materials -- Determination of fluid permeability

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Classification and status

Prefix JB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB 3836.1-2010 · GB 3836.2-2010

Similar standards

GB/T 6886-2017|NB/T 10695-2021|JB/T 6749-2013|GB/T 20936.1-2022|GB/T 3836.11-2022|GB/T 34663-2017

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