JB/T 12386-2015Air valves for water supply pipelines (English PDF)
给水管道进排气阀
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
October 10, 2015
Implementation date
March 1, 2016
Scope
JB/T 12386-2015 is the English-translated version of 给水管道进排气阀.
JB/T 12386-2015 covers air valves for water supply pipelines. The machinery industry standard gives terms and definitions, the types and structural forms, the technical requirements, the test methods and the inspection rules, and deals with marking, packaging and storage.
It applies to small air intake and exhaust valves of nominal size DN15 to DN25 with a nominal pressure of no more than PN25, and to rapid air intake and exhaust valves and combined rapid air valves of nominal size DN25 to DN300 with a nominal pressure of no more than PN25, for water at temperatures from 0 °C to 65 °C. It was issued on 10 October 2015 and took effect on 1 March 2016.
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Document preview — JB/T 12386-2015
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
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 12386-2015 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 10 October 2015 and has been in force since 1 March 2016.
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.
The document runs to 15 pages in English translation.
2 Scope Preview
JB/T 12386-2015 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
Standards on related subjects:
GB/T 12244-2025 — Pressure reducing valves - General requirements
GB/T 12243-2021 — Spring loaded safety valves
JB/T 106-2004 — Valves - Marking and painting
JB/T 11152-2025 — Metal-sealed poppet plug valve
JB/T 11150-2025 — Sealing steel check valve of corrugated pipe
JB/T 12387-2015 — High temperature high pressure ball valves for power plants
5 Classification and status
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.
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