CJ/T 447-2014
Automatic shut-off valve for pipeline gas (English Version)
- Standard No.
- CJ/T 447-2014
- Language
- Chinese, Available in English version
- Release Date
- 2014
- Published By
- Professional Standard - Urban Construction
- Latest
- CJ/T 447-2014
- Scope
- This standard specifies the terms and definitions, classification and models, structure and materials, requirements, test methods, inspection rules, signs, instructions for use, packaging, transportation and storage of pipeline gas self-closing valves. This standard is applicable to urban gas whose medium complies with the provisions of GB/T 13611. The operating temperature does not exceed the range of - 10 ℃ ~ 40 ℃. It is installed on indoor gas pipelines with a design pressure less than 10 kPa and the nominal size is not larger than 50 mm. Gas self-closing valve.
CJ/T 447-2014 Referenced Document
- CJ/T 180 Manually operated gas valves for gas installations of buildings
- GB/T 13611 Classification and basic characteristics of city gas*， 2018-03-15 Update
- GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
CJ/T 447-2014 history
- 2014 CJ/T 447-2014 Automatic shut-off valve for pipeline gas
