Industrial valves. Measurement, test and qualification procedures for fugitive emissions. Part 1: Classification system and qualification procedures for type testing of valves (ISO 15848-1:2015)
Tuote ladattavissa hetiToimitusaika on noin 1 - 2 työpäivääToimitusaika on 3 - 5 työpäivää.
ISO 15848-1:2015 specifies testing procedures for evaluation of external leakage of valve stem seals (or shaft) and body joints of isolating valves and control valves intended for application in volatile air pollutants and hazardous fluids. End connection joints, vacuum application, effects of corrosion, and radiation are excluded from this part of ISO 15848. ISO 15848-1:2015 concerns classification system and qualification procedures for type testing of valves.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Type test
5.1 Test conditions
5.2 Test procedures
6 Performance classes
6.1 Classification criteria
6.2 Tightness classes
6.3 Endurance classes
6.4 Temperature classes
6.5 Examples of class designation
6.6 Marking
7 Reporting
8 Extension of qualification to untested valves
Annex A Total leak rate measurement (normative)
Annex B Leak measurement using the sniffing method (normative)
Annex C Leak rate conversion (helium) (informative)