NF EN 371 : 1992

Cooperating organizations
National foreword
Foreword
Text of EN 371: 1992
Specification
Introduction
1. Scope
2. Normative references
3. Definition and description
4. Classification
5. Requirements
6. Testing
7. Marking
8. Instructions for use
Tables
1. Maximum breathing resistance
2. Minimum breakthrough time of AX filters
3. Test conditions for gas filters of type AX
Figure
1. Test equipment for test of mechanical strength
National appendices
NA (informative)
NB (informative)

Concerns gas filters and combined filters against low boiling organic compounds, for use as components in unassisted respiratory protective devices. Excludes escape apparatus and filtering facepieces. Covers normative references, definition and description, classification, requirements, testing, marking and instructions for use. Includes tables and figures.