Zone Definitions

CS Unitec Copper-Beryllium Tools (CuBe2) help fulfill the demand in the ATEX directive for work in Zone 0, 1 and 2 (Gas, Mists or Vapors); Zones 20, 21 and 22 (Dusts); and M1 and M2 for mining.

CS Unitec Aluminum-Bronze Tools (AlBr) help fulfill the demand in the ATEX directive for work in Zones 1 and 2 (Gas, Mists or Vapors), plus Zones 21 and 22 (Dusts).


Ex Zone Definitions
Gas, Mists or VaporsDusts
Zone 0 - An atmosphere where a mixture of air and flammable substances in the form of gas, vapor or mist is present frequently, continuously or for long periods.Zone 20 - An atmosphere where a cloud of combustible dust in the air is present frequently, continuously or for long periods.
Zone 1 - An atmosphere where a mixture of air and flammable substances in the form of gas, vapor or mist is likely to occur in normal operation occasionally.Zone 21 - An atmosphere where a cloud of combustible dust in the air is likely to occur in normal operation occasionally.
Zone 2 - An atmosphere where a mixture of air and flammable substances in the form of gas, vapor or mist is not likely to occur in normal operation but, if it does occur, will persist for only a short period.Zone 22 - An atmosphere where a cloud of combustible dust in the air is not likely to occur in normal operation but, if it does occur, will persist for only a short period.

Safety Tools must only be ground or reshaped by companies approved for grinding such material, according to OSHA regulations.

Exact appearance and/or specifications subject to change without notice.

MSDS (Safety Data Sheet) / Bulletin can be provided upon request or can be downloaded here:
SDS: Cast Copper Beryllium


SDS: Cast Aluminum Bronze

ATEX information: http://ec.europa.eu/growth/sectors/mechanical-engineering/atex/index_en.htm

BAM Certification Information (PDF)

Choosing the right alloy – AlBr or CuBe – for your application. (Download Ex Zone / Non-Sparking Tool Poster
, PDF, 225k)

Download the Complete Non-Sparking Safety Tool Catalog (PDF)


We also offer ATEX-approved air and hydraulic power tools for use in Ex zones.