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JB/T 12955-2016Valves for oxygen service - Technical requirements (English PDF)

氧气用阀门技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 22, 2016

Implementation date

April 1, 2017

Scope

JB/T 12955-2016 is the English-translated version of 氧气用阀门技术条件.

JB/T 12955-2016 is a recommended standard of the Chinese machinery industry stating the technical requirements for valves in oxygen service. It covers the terminology and definitions, the valve types, the technical requirements, the inspection, the quality certification documents, and the marking, packaging, supply and ordering arrangements.

It is written for oxygen valves working at a pressure of not more than 21 MPa in sizes from DN10 to DN1000 (NPS 3/8 to NPS 40), with an oxygen temperature from -29 °C to 200 °C and a dew point no higher than -30 °C; ball valves, butterfly valves and check valves are among the types named.

Other oxygen valves may follow it by reference. It quotes GB 16912, GB/T 21465, GB/T 26480, HG 20202 and JB/T 6440-2008, and carries the codes J16 and ICS 23.060.01.

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Document preview — JB/T 12955-2016

National Standard of the People's Republic of China

ICS: 23.060.01

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

1 Scope
2 Normative references

1 Foreword

JB/T 12955-2016 was issued by MIIT on 22 October 2016 and has been in force since 1 April 2017.

2 Scope

This standard is a recommended standard of the Chinese machinery industry stating the technical requirements for valves in oxygen service. It covers the terminology and definitions, the valve types, the technical requirements, the inspection, the quality certification documents, and the marking, packaging, supply and ordering arrangements. It is written for oxygen valves working at a pressure of not more than 21 MPa in sizes from DN10 to DN1000 (NPS 3/8 to NPS 40), with an oxygen temperature from -29 °C to 200 °C and a dew point no higher than -30 °C; ball valves, butterfly valves and check valves are among the types named. Other oxygen valves may follow it by reference. It quotes GB 16912, GB/T 21465, GB/T 26480, HG 20202 and JB/T 6440-2008, and carries the codes J16 and ICS 23.060.01.

3 Normative references

JB/T 12955-2016 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 228.1

GB/T 12220

GB/T 12224

GB/T 12221

GB 16912

GB/T 26480

GB/T 21465

HG 20202

JB/T 308

JB/T 6440-2008 — Radiographic examination of pressure-retaining steel castings for valves

JB/T 6896

JB/T 6903

JB/T 7927

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Classification and status

International classification (ICS): 23.060.01

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

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