Respiratory protective devices. Compressed air for breathing apparatus has-hardcopy Annex B (informative) Example of

Annex B (informative) Example of the determination of the characteristic opening size

goods and services

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Validation test

BS EN IEC 63093-7 gives guidance on allowable limits of surface irregularities applicable to RM-cores in accordance with the relevant generic specification

Respiratory protective devices. Compressed air for breathing apparatus has-hardcopy Annex B (informative) Example ofBS EN 12021: 1999 Respiratory protective devices. Compressed air for breathing apparatus This European Standard specifies requirements for the quality of compressed air supplied for use with the following types of equipment. a) Respiratory protective devices self contained open circuit compressed air breathing apparatus and open circuit compressed air underwater breathing apparatus (SCUBA). b) Respiratory protective devices compressed air line