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BS 7170:1990

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for respiratory protective devices: self-contained closed-circuit compressed oxygen breathing apparatus
Available format(s)

Hardcopy , PDF

Superseded date

01-15-1998

Language(s)

English

Published date

09-28-1990

National foreword
Brief history
Text of EN 145
National appendix A
National appendix B
Cooperating organizations
Specification
Preamble
1. Object and field of application
2. References
3. Definitions and description
4. Classification
5. Requirements
6. Testing
7. Marking
8. Instructions for use, maintenance and storage
Tables
1. Class of apparatus
2. Maximum breathing resistance
3. Duration and number of test periods
4. CO2 content
5. Maximum moisture content
Figures
1. Scheme of the breathing apparatus test rig
2. Humidifier
3. Conditioner
4. Connector for breathing apparatus having a centre
    thread connection
5. Dummy head for breathing apparatus having a
    permanently connected full face mask
6. Connector for breating apparatus having a
    permanently connected mouthpiece assembly

Classification system, performance requirements, marking requirements and instructions to be provided on use, maintenance and storage.

Committee
PH/4
DevelopmentNote
REPLACES BS 4667: PART 1:1974.
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

EN 136:1998/AC:2003 RESPIRATORY PROTECTIVE DEVICES - FULL-FACE MASKS - REQUIREMENTS, TESTING, MARKING
EN 148-2:1999 Respiratory protective devices - Threads for facepieces - Part 2: Centre thread connection
EN 142:2002 Respiratory protective devices - Mouthpiece assemblies - Requirements, testing, marking

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