JB/T 7069-2004Pressure relief valves for transformers - Test guide (English PDF)
变压器用压力释放阀 试验导则
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
June 17, 2004
Implementation date
November 1, 2004
Scope
JB/T 7069-2004 is the English-translated version of 变压器用压力释放阀 试验导则.
JB/T 7069-2004 is the Chinese machinery industry standard covering pressure relief valves for transformers - Test guide. It was issued on 17 June 2004 and has been in force since 1 November 2004, replacing JB/T 7069-1993.
The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 2004 edition.
The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.
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Document preview — JB/T 7069-2004
National Standard of the People's Republic of China
- Replacing
- JB/T 7069-1993
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- [Preview only]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Type
- 3.2 Basic parameters
- 4 Types and basic parameters
- 4.1 Types
- 4.2 Model designation
- 4.3 Nominal operating conditions
- 4.4 Safety and hygiene
- 4.5 Welding
- 4.6 Bridge (After crane operation mechanism assembled)
- 4.7 Assembly
- 4.8 Electrical control equipment
- 4.9 Steel pretreatment and painting
- 5 Technical requirements
- 5.1 General requirements
- 5.2 Safety requirements
- 5.3 Cold and hot working forming
- 5.4 Rated load test
- 5.5 Whole machine noise test
- 5.6 Static rigidity test
- 5.7 Dynamic load test
- 5.8 Crane span deviation
- 5.9 Diagonal difference of bridge
- 6 Test methods
- 6.1 Exit-factory inspection
- 6.2 Type inspection
- 7 Inspection rules
- 7.1 Marking
- 7.2 Packaging, transportation and storage
- 7.3 Transportation
- 7.4 Storage
- 8 Marking, packaging, transportation and storage
- 9 标志和标签 9 Marking and labeling
1 Foreword
JB/T 7069-2004 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 17 June 2004 and has been in force since 1 November 2004.
It replaces the earlier edition JB/T 7069-1993.
The JB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.
2 Scope Preview
JB/T 7069-2004 carries no ICS number and no Chinese Standard Classification code.
This catalogue holds 21,922 other JB/T standards.
Of the 5,298 JB/T standards that do carry an ICS number, 1,460 (28%) fall under ICS 25, in the field of manufacturing engineering.
3 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
4 Related standards
Other editions:
JB/T 7069-1993 (earlier edition)
Standards on related subjects:
GB/T 10228-2023 — Technical parameters and requirements for dry-type power transformers
GB/T 8286-2017 — Mining flameproof movable substations
JB/T 7065-2015 — Pressure relief valves for transformers
JB/T 3837-2025 — Transformer product model compilation method
JB/T 7068-2015 — Metal expanders for instrument transformers
5 Classification and status
Chinese Standard Classification (CCS): K 41
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of JB/T 7069
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7069-2004 | Pressure relief valves for transformers - Test guide | current edition | Current |
| JB/T 7069-1993 | Pressure relief valves for transformers - Test guide | previous edition | Superseded |
This page sells the current edition, JB/T 7069-2004. Earlier editions are listed for reference only.
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