03/116547 DC : DRAFT NOV 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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EN ISO 15848-1 - INDUSTRIAL VALVES - FUGITIVE EMISSIONS - MEASUREMENT TEST AND QUALIFICATION PROCEDURES - PART 1: CLASSIFICATION SYSTEM AND QUALIFICATION PROCEDURES FOR TYPE TEST OF VALVE ASSEMBLIES
03-02-2006
23-11-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Type test
4.1 Test conditions
4.2 Test procedures
5 Performance classes
5.1 Classification criteria
5.2 Tightness classes
5.3 Endurance classes
5.4 Temperature classes
5.5 Example of class designation
5.6 Marking
6 Reporting
7 Extension of qualification to untested valves
Annex A (normative) Total leak rate measurement
A.1 Vacuum method (helium only)
A.2 Flushing method (helium or methane)
Annex B (normative) Leak measurement using the sniffing method
B.1 Use of helium as test fluid
B.2 Methane as test fluid
Annex C (informative) Derivation and graphs relating the stem
diameter to leak rate
C.1 Stem seal helium leakage rate comparison for fugitive
emission testing in helium
C.2 Stem seal methane leakage rate comparison for fugitive
emission testing in methane
Bibliography
EN ISO 15848-1
| Committee |
PSE/7
|
| DocumentType |
Draft
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PREN ISO 15848-1 : DRAFT 2003 | Identical |
| ISO 6708:1995 | Pipework components Definition and selection of DN (nominal size) |
| FCI 91-1 : 2010 | STANDARD FOR QUALIFICATION OF CONTROL VALVE STEM SEALS |
| ISO 286-1:2010 | Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 1: Basis of tolerances, deviations and fits |
| ISO 286-2:2010 | Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts |
| ISA 93.00.01 : 1999 | STANDARD METHOD FOR THE EVALUATION OF EXTERNAL LEAKAGE OF MANUAL AND AUTOMATED ON-OFF VALVES |
| ISO 5208:2015 | Industrial valves Pressure testing of metallic valves |
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