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JB/T 12961-2016Bell provers for gas flow (English PDF)

钟罩式气体流量标准装置

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 22, 2016

Implementation date

April 1, 2017

Scope

JB/T 12961-2016 is the English-translated version of 钟罩式气体流量标准装置.

JB/T 12961-2016 is a recommended Chinese machinery industry standard for bell provers, the bell-type standard devices used for gas flow.

It defines the terms and the units of measurement, describes the structure, the materials and the working principle, and then sets the general technical requirements, the working conditions, the metrological performance requirements, the test methods and the inspection rules, with marking, packaging, transport and storage at the end.

It applies to the manufacture, inspection, installation and use of such devices. It quotes GB/T 9112-2010, GB/T 9124-2010, GB/T 20878-2007, GB/T 24511-2009, JJF 1001-2011 and JJF 1004-2004. It carries the classification N12 and ICS 17.120.10.

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Document preview — JB/T 12961-2016

National Standard of the People's Republic of China

ICS: 17.120.10

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

1 Foreword

JB/T 12961-2016 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 22 October 2016 and has been in force since 1 April 2017.

2 Scope

This standard is a recommended Chinese machinery industry standard for bell provers, the bell-type standard devices used for gas flow. It defines the terms and the units of measurement, describes the structure, the materials and the working principle, and then sets the general technical requirements, the working conditions, the metrological performance requirements, the test methods and the inspection rules, with marking, packaging, transport and storage at the end. It applies to the manufacture, inspection, installation and use of such devices. It quotes GB/T 9112-2010, GB/T 9124-2010, GB/T 20878-2007, GB/T 24511-2009, JJF 1001-2011 and JJF 1004-2004. It carries the classification N12 and ICS 17.120.10.

3 Normative references

JB/T 12961-2016 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 191

GB/T 9112-2010

GB/T 9124-2010

GB/T 13384

GB/T 20878-2007

GB/T 24511-2009

JJF 1001-2011 — General Terms in Metrology and Their Definitions

JJF 1004-2004 — Metrological Terms and Their Definitions for Flow Rate

4 About this standard

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

English translation: about 19 pages

5 Classification and status

International classification (ICS): 17.120.10

Prefix JB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 30840-2014|JB/T 14099-2020|JB/T 7671-2017|GB/T 17805-2025|GB/T 21446-2025|GB/T 13930-2024

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