BS 7309:1990
Superseded
View Superseded by
Specification for mouthpiece assemblies for respiratory protective devices
Hardcopy , PDF
English
07-31-1990
05-13-2002
National foreword
Brief history
Text of EN 142
Specification
Introduction
1. Object and field of application
2. References
3. Definition and description
4. Requirements
5. Testing
6. Marking
7. Instructions for use
Figures
1. Scheme of exhalation valve leakage test box
2. Scheme of test rig for valve leakage using a single
cylinder machine
3. Scheme of test rig for valve leakage using a twin
cylinder breathing machine
National appendix A
National appendix B
Cooperating organizations
Performance and marking requirements.
| Committee |
PH/4
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 142:2002 | Identical |
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