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BS EN ISO 21904-1:2020:2021 Edition

BS EN ISO 21904-1:2020:2021 Edition

$167.15

Health and safety in welding and allied processes. Equipment for capture and separation of welding fume – General requirements

Published By Publication Date Number of Pages
BSI 2021 38
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This document defines the general requirements for ventilation equipment used to capture and separate fumes generated by welding and allied processes, e.g. arc welding and thermal cutting.

This document also specifies the test data to be marked on the capture devices.

It applies to the design and manufacture of parts of the equipment including hoods for welding, ducting, filter units, air movers, systems that inform of unsafe operation and workplace practices to ensure safe working with regard to exposure.

Significant hazards are listed in Clause 4. It does not cover electrical, mechanical and pneumatic hazards.

This document is applicable to:

  • local exhaust ventilation systems (LEV) excluding draught tables;

  • mobile and stationary equipment;

  • separation equipment used for welding and allied processes;

This document is not applicable to:

  • general ventilation, air make up or air movement systems;

  • air conditioning systems;

  • grinding dust.

This document applies to systems designed and manufactured after its publication.

NOTE

Specific safety requirements for thermal cutting machines are defined in ISO 17916.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC aimed to be covered
10 Foreword
11 Introduction
12 1 Scope
2 Normative references
13 3 Terms and definitions
15 4 Significant hazards
5 Requirements and verifications
5.1 General
18 5.2 Extraction devices
24 5.3 Ducting properties
26 5.4 Filters, related components and handling
30 6 Instructions for use
6.1 General
6.2 Extraction devices
6.2.1 Captor hoods and nozzles
31 6.2.2 On-torch extraction systems
7 Marking
7.1 General marking
32 7.2 Marking of separation efficiency
7.3 Marking of captor hoods and nozzles
7.4 Marking of on-torch extraction systems
34 Annex A (informative) Malfunctions and determination of minimum airflow
35 Annex B (normative) Label for welding fume separation equipment
36 Bibliography

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BS EN ISO 21904-1:2020
$167.15