IS 14746 : 1999 Respiratory Protective Devices - Half Masks And Quarter Masks - Specification

1 Scope

This standard prescribes requirements for half masks and quartermasks for use as part of respiratory protective devices, exceptescape apparatus and diving apparatus.

Laboratory and practical performance tests are included for theassessment of compliance with the requirements.

2 References

IS 4905 :1968Methods of random sampling

IS 8347 :1977Glossary of terms relating to respiratoryprotective devices

IS 14138 : Part 1 :1994 Respiratory protective devices; Threadsforfacepieces:Part 1 Standard threadconnection - Specification

IS 14166 :1994Respiratory protective devices - Full facemasks - Specification