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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.040 Air quality>13.040.40 Stationary source emissions>BS EN ISO 21904-1:2020 Health and safety in welding and allied processes. Equipment for capture and separation of welding fume General requirements
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immediate downloadReleased: 2020-03-23

BS EN ISO 21904-1:2020

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

CURRENCY
LANGUAGE
English
Standard number:BS EN ISO 21904-1:2020
Pages:36
Released:2020-03-23
ISBN:978 0 580 99524 8
Status:Standard
DESCRIPTION
This standard BS EN ISO 21904-1:2020 Health and safety in welding and allied processes. Equipment for capture and separation of welding fume is classified in these ICS categories:
  • 13.100 Occupational safety. Industrial hygiene
  • 25.160.30 Welding equipment
  • 13.040.40 Stationary source emissions
  • 25.160.01 Welding, brazing and soldering in general

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.


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