DEFSTAN 68-284/1(2001) : 2001

Preface
Main Text
SECTION 1: GENERAL REQUIREMENTS
0 Introduction
1 Scope
2 Warning
3 Related Documents
4 Definitions
5 Abbreviations
SECTION 2: SPECIFIC REQUIREMENTS
6 Supply Requirements
7 Compressed Natural Breathing Air (CNBA)
8 Oxygen/Helium Mixtures
9 Oxygen/Nitrogen Mixtures
10 Gaseous Breathing Oxygen
11 Molecular Sieve Oxygen Systems Produced Breathing Gases
Annex A - Methods of analysis (Normative)
A.1 Odour
A.2 Water content
A.3 Trace contaminants (infrared active)
A.4 Oil mist
A.5 Oxygen content
A.6 Other trace contaminants
A.7 Hydrogen
Annex B - Substance of Agreements
Table 1 - Compressed Natural Breathing Air (CNBA)
Table 2 - Moisture content of Compressed Natural Breathing
          Air
Table 3 - Oxygen/Helium Mixtures
Table 4 - Oxygen/Nitrogen Mixtures
Table 5 - Gaseous Breathing Oxygen
Table 6 - Supply Pressures for Replenishing Aircraft Systems
Table 7 - Maximum Limits of Impurities in Aircraft MSOCS
          Source Air
Table 8 - Maximum Limits of Impurities in Breathable
          Gases Supplied by MSOCS units
Table A.1 - Infrared Absorbance Bands

Provides the requirements for Compressed Breathing Gases procured or produced for Aircraft, Diving and Marine Life-Support applications and provides reference methods of test. It includes high-pressure compressed natural breathing air supplies produced for fire-fighting and emergency escape applications on board HM ships and submarines.