SANS 50138:1994 Respiratory protective devices - Fresh air hose breathing apparatus for use with full face mask, half mask or mouthpiece assembly - Requirements, testing, marking
Specifies minimum requirements for fresh-air hose-breathing apparatus for use with a full-face mask, a half mask or a mouthpiece assembly as a respiratory protective device.
SANS 50138:1994 history
1997SANS 50138:1994 Respiratory protective devices - Fresh air hose breathing apparatus for use with full face mask, half mask or mouthpiece assembly - Requirements, testing, marking