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NB/T 47063-2017Safety valves for power station (English PDF)

电站安全阀

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

December 27, 2017

Implementation date

June 1, 2018

Scope

NB/T 47063-2017 is the English-translated version of 电站安全阀.

NB/T 47063-2017 is the Chinese energy industry standard for safety valves used in power stations. Grouped under J98 with the boiler and power plant equipment, it treats the valve as a product: its design, its materials, the manufacture of body and trim, and the inspection and testing it must pass before delivery.

It supersedes JB/T 9624-1999 and so carries the subject out of the machinery series into the NB/T 47000 range. Valve and flange documents such as GB/T 9113, GB/T 12241, GB/T 12242, GB/T 21465, HG/T 20592, JB/T 79, JB/T 81 and JB/T 82 are quoted, with NB/T 47037 and NB/T 47044. Issued on 27 December 2017, it has applied since 1 June 2018.

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Document preview — NB/T 47063-2017

National Standard of the People's Republic of China

Replacing: JB/T 9624-1999

Issued by: National Energy Administration of the People's Republic of China

Foreword
Scope
Normative references
About this standard
Classification and status

1 Foreword

NB/T 47063-2017 was issued by NEA on 27 December 2017 and has been in force since 1 June 2018.

2 Scope

This standard is the Chinese energy industry standard for safety valves used in power stations. Grouped under J98 with the boiler and power plant equipment, it treats the valve as a product: its design, its materials, the manufacture of body and trim, and the inspection and testing it must pass before delivery. It supersedes JB/T 9624-1999 and so carries the subject out of the machinery series into the NB/T 47000 range. Valve and flange documents such as GB/T 9113, GB/T 12241, GB/T 12242, GB/T 21465, HG/T 20592, JB/T 79, JB/T 81 and JB/T 82 are quoted, with NB/T 47037 and NB/T 47044.

3 Normative references

NB/T 47063-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 985.1

GB/T 1047

GB/T 1048

GB/T 1239.2

GB/T 1972

GB/T 9113

GB/T 12241-2005

GB/T 12242

GB/T 21465-2008 — Terminology for valves

GB/T 23934

GB/T 23935

HG/T 20592

HG/T 20615

JB/T 79

JB/T 81

JB/T 82

JB/T 2769

NB/T 47037

NB/T 47044

4 About this standard

Issued by: NEA

English translation: about 25 pages

5 Classification and status

Prefix NB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

NB/T 47037-2021|GB/T 46814-2025|GB/T 10868-2018|GB/T 10869-2008|GB/T 22380.3-2019|NB/T 20010.16-2021

Editions of NB/T 47063

Edition	Title	Revision	Status
NB/T 47063-2017	Safety valves for power station	current edition	Current
JB/T 9624-1999	Safety valves for power station	previous edition	Superseded

This page sells the current edition, NB/T 47063-2017. Earlier editions are listed for reference only.

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