AS/NZS 1716:1994

1 - AS/NZS 1716:1994 RESPIRATORY PROTECTIVE DEVICES
4 - PREFACE
5 - CONTENTS
8 - SECTION 1 SCOPE AND GENERAL
8 - 1.1 SCOPE
8 - 1.2 APPLICATION
8 - 1.3 REFERENCED DOCUMENTS
9 - 1.4 DEFINITIONS
9 - 1.4.1 Air-hose respirator
9 - 1.4.2 Air-line respirator
9 - 1.4.3 Air-purifying respirator
9 - 1.4.5 Combination filter respirator
9 - 1.4.6 Demand valve
10 - 1.4.7 Disposable respirator
10 - 1.4.8 Escape type respirator
10 - 1.4.9 Filtration type escape respirator
10 - 1.4.10 Full facepiece
10 - 1.4.11 Gas filter respirator
10 - 1.4.12 Half facepiece
10 - 1.4.13 Head covering
10 - 1.4.14 Informative
10 - 1.4.15 Mouthpiece
10 - 1.4.16 Normative
10 - 1.4.17 Nose clip
10 - 1.4.18 Particulate filter respirator
10 - 1.4.19 Powered air-purifying respirator
10 - 1.4.20 Regulatory authority
10 - 1.4.21 Respirator
10 - 1.4.22 Self-contained breathing apparatus (SCBA)
10 - 1.4.23 Shall
10 - 1.4.24 Should
11 - 1.4.25 Single use low-boiling point filter
11 - 1.4.26 Supplied-air respirator
11 - 1.4.27 Supplied-oxygen respirator
11 - 1.4.28 Work sets
11 - 1.5 NOMINAL VALUES AND TOLERANCES
11 - 1.6 UNITS FOR GAS AND VAPOUR CONCENTRATIONS
12 - SECTION 2 DESIGN AND CONSTRUCTION OF ASSEMBLED RESPIRATORS
12 - 2.1 GENERAL REQUIREMENTS
12 - 2.1.1 Assembled respirators
12 - 2.1.2 Materials
12 - 2.1.3 Filters
12 - 2.1.4 Shelf life
12 - 2.1.5 Combined protective equipment
12 - 2.1.6 Noise level
12 - 2.1.7 Protection against explosion
13 - 2.1.8 Avoidance of frictional sparks
13 - 2.1.9 Protection from flame
13 - 2.2 FACIAL FIT
13 - 2.2.1 General
13 - 2.2.2 Assessment
14 - 2.3 BREATHING AND CONNECTING TUBE
14 - 2.4 DEMAND VALVE
14 - 2.4.1 Design
14 - 2.4.2 Mode of operation
15 - SECTION 3 FACEPIECES AND HEAD COVERINGS
15 - 3.1 DESIGN REQUIREMENTS
15 - 3.1.1 General
15 - 3.1.2 Exhalation valve assembly
15 - 3.1.3 Mouthpiece and nose clip
16 - 3.1.4 Facepiece connector
16 - 3.2 PERFORMANCE REQUIREMENTS
16 - 3.2.1 Facial fit
16 - 3.2.2 Accumulated carbon dioxide
16 - 3.2.3 Positive pressure test
16 - 3.2.4 Exhalation valve
17 - 3.2.5 Exhalation resistance of air filtering respirators with a facepiece
17 - 3.2.6 Security of attachments
18 - SECTION 4 PARTICULATE FILTER RESPIRATORS
18 - 4.1 DESIGN AND CONSTRUCTION
18 - 4.2 CLASSIFICATION AND COMPONENTS
18 - 4.2.1 Classes
18 - 4.2.2 Components
18 - 4.3 PERFORMANCE REQUIREMENTS
18 - 4.3.1 General
18 - 4.3.2 Simulated rough usage
18 - 4.3.3 Simulated wear
19 - 4.3.4 Inhalation resistance
19 - 4.3.5 Test of filtering efficiency
19 - 4.3.6 Filters used in series
20 - SECTION 5 GAS AND VAPOUR FILTER RESPIRATORS
20 - 5.1 DESIGN AND CONSTRUCTION
20 - 5.2 TYPES OF FILTER
20 - 5.3 CLASSIFICATION AND COMPONENT PARTS
20 - 5.3.1 Classes of filter
21 - 5.3.2 Component parts
21 - 5.4 PERFORMANCE REQUIREMENTS
21 - 5.4.1 General
21 - 5.4.2 Particulate filtration efficiency
21 - 5.4.3 Simulated rough usage
21 - 5.4.4 Inhalation resistance
22 - 5.4.5 Filter capacity
23 - 5.4.6 Additional requirements for filters
24 - 5.4.7 Desorption
25 - SECTION 6 POWERED AIR-PURIFYING RESPIRATORS
25 - 6.1 DESIGN AND CONSTRUCTION
25 - 6.2 COMPONENT
25 - 6.2.1 Facepiece type
25 - 6.2.2 Hood or helmet type
26 - 6.3 PERFORMANCE REQUIREMENTS
26 - 6.3.1 Battery
26 - 6.3.2 Particulate filters
26 - 6.3.3 Gas filters
27 - 6.3.4 Combined filters
28 - SECTION 7 ESCAPE RESPIRATORS-FILTRATION TYPE
28 - 7.1 DESIGN AND CONSTRUCTION
28 - 7.2 CLASSIFICATION
28 - 7.3 FILTER SELF-RESCUER (MINES)
28 - 7.3.1 Components
28 - 7.3.2 Carrying case
29 - 7.3.3 Mouthpiece and nose clip
29 - 7.3.4 Head harness
29 - 7.3.5 Active element
29 - 7.3.6 Chin guard
29 - 7.3.7 Exhalation valve
29 - 7.3.8 Heat exchanger
29 - 7.3.9 Mass
29 - 7.3.10 Performance requirements
30 - 7.4 SMOKE MASK
30 - 7.4.1 Components
30 - 7.4.2 Performance requirements
31 - 7.5 FILTER SELF-RESCUER (INDUSTRIAL)
32 - SECTION 8 AIR-HOSE AND AIR-LINE RESPIRATORS
32 - 8.1 DESIGN AND CONSTRUCTION
32 - 8.1.1 Design functions
32 - 8.1.2 Types
32 - 8.1.3 Components
34 - 8.2 WAIST BELT OR BODY HARNESS
34 - 8.3 AIR-HOSE AND AIR-LINE
34 - 8.3.1 General
34 - 8.3.2 Strainer
34 - 8.3.3 Air-line
34 - 8.3.4 Connectors and couplings
34 - 8.4 PERFORMANCE REQUIREMENTS
34 - 8.4.1 Application of tests
34 - 8.4.2 Demand valve
34 - 8.4.3 Air supply
35 - 8.4.4 Breathing resistance
35 - 8.4.5 Positive pressure under peak flow
36 - 8.4.6 Test of the air-hose, air-lines and couplings
36 - 8.4.7 Condition of the inhaled air (carbon dioxide content)
37 - 8.4.8 Durability of abrasive blast helmets/protectors
37 - 8.4.9 Simulated work test
38 - SECTION 9 COMPRESSED AIR SELF-CONTAINED BREATHING APPARATUS
38 - 9.1 DESIGN AND CONSTRUCTION
38 - 9.1.1 Design functions
38 - 9.1.2 Types
38 - 9.1.3 Requirements
39 - 9.2 NOMINAL EFFECTIVE LIFE
39 - 9.3 PRESSURE TUBES AND HOSES
39 - 9.4 COMPRESSED AIR SCBA-DEMAND FLOW TYPES
39 - 9.4.1 Functioning of assemblies without positive pressure
40 - 9.4.2 Functioning of assemblies with positive pressure
41 - 9.5 CONTINUOUS FLOW -ESCAPE TYPES
41 - 9.5.1 Design
41 - 9.5.2 Noise level
41 - 9.6 AUXILIARY AIR-LINE CONNECTION
41 - 9.7 CYLINDERS
41 - 9.8 CYLINDER VALVE
41 - 9.9 PRESSURE GAUGE
41 - 9.9.1 General
42 - 9.9.2 Design
42 - 9.9.3 Accuracy and markings
42 - 9.10 ISOLATING VALVE
42 - 9.11 PRESSURE INDICATOR
42 - 9.12 ACTIVE WARNING DEVICE
42 - 9.13 BODY HARNESS AND SECURING HARNESS
42 - 9.14 MASS
42 - 9.15 TESTING
42 - 9.15.1 Application of tests
42 - 9.15.2 Warning device
43 - 9.15.3 Resistance to temperature
43 - 9.15.4 Simulated work test for compressed air SCBA
43 - 9.16 REQUIREMENTS FOR AIR QUALITY (CYLINDERS) FOR SUPPLIED-AIR RESPIRATORS
44 - SECTION 10 OXYGEN SELF-CONTAINED BREATHING APPARATUS
44 - 10.1 DESIGN AND CONSTRUCTION
44 - 10.1.1 Design functions
44 - 10.1.2 Requirements
45 - 10.2 NOMINAL EFFECTIVE LIFE
45 - 10.3 INHALATION TEMPERATURE
45 - 10.4 RESISTANCE TO BREATHING
46 - 10.5 SIMULATED ROUGH USAGE
46 - 10.6 SIMULATED WORK TEST
46 - 10.7 DEMAND VALVE
46 - 10.8 CONTINUOUS FLOW VALVE
46 - 10.9 RELIEF VALVE
46 - 10.10 CARBON DIOXIDE ABSORBENT
46 - 10.11 BREATHING BAG
46 - 10.11.1 General
46 - 10.11.2 Breathing bag capacity
46 - 10.12 PRESSURE TUBES AND HOSES
46 - 10.13 PRESSURE GAUGE
47 - 10.14 PRESSURE GAUGE ISOLATING VALVE
47 - 10.15 BODY HARNESS AND SECURING HARNESS
47 - 10.16 MASS
47 - 10.17 CYLINDERS
47 - 10.18 CYLINDER VALVE
47 - 10.19 COMPRESSED OXYGEN (DRY BREATHING)
47 - 10.20 LEAK TIGHTNESS
48 - SECTION 11 MARKING AND INSTRUCTIONS
48 - 11.1 MARKING
48 - 11.1.1 Marking of facepieces and head coverings
48 - 11.1.2 Particulate filters
48 - 11.1.3 Gas and vapour filters
49 - 11.1.4 Air-line and air-hose respirators
50 - 11.1.5 Compressed air self-contained breathing apparatus
50 - 11.1.6 Oxygen self-contained breathing apparatus
50 - 11.2 INSTRUCTIONS FOR USE
50 - 11.2.1 General
50 - 11.2.2 Instructions for use, maintenance and storage
50 - 11.2.3 Additional requirements for powered air-purifying respirators
51 - APPENDIX A - NOISE LEVEL TEST
51 - A1 SCOPE
51 - A2 PRINCIPLE
51 - A3 APPARATUS
51 - A4 PROCEDURE
51 - A5 REPORTING THE RESULTS
52 - APPENDIX B - METHOD OF SELECTING PERSONNEL FOR ASSEMBLED RESPIRATORS TESTS
52 - B1 METHOD OF SELECTION
52 - B2 SPECIFIC REQUIREMENTS
52 - B3 SELECTION OF TEST PANEL
54 - APPENDIX C - RESISTANCE TO FLAME TEST
54 - C1 SCOPE
54 - C2 PRINCIPLE
54 - C3 APPARATUS
54 - C4 PROCEDURE
54 - C5 ASSESSMENT
55 - C6 REPORTING OF RESULTS
56 - APPENDIX D - TOTAL INWARD LEAKAGE OF ASSEMBLED RESPIRATORS-QUANTITATIVE SODIUM CHLORIDE TEST
56 - D1 SCOPE
56 - D2 PRINCIPLE
56 - D3 APPARATUS
56 - D4 PROCEDURE
56 - D4.1 Subject preparation
56 - D4.2 Test - non-powered filtering respirators sampled on inhalation only
57 - D4.3 Test - powered filtering or supplied-air respirator
58 - D5 REPORTING OF RESULTS
60 - APPENDIX E - BREATHING SIMULATOR TESTS
60 - E1 SCOPE
60 - E2 PRINCIPLE
60 - E3 APPARATUS
61 - E4 PROCEDURE
61 - E5 TESTS AND ENVIRONMENTAL CONDITIONS
61 - E5.1 Breathing resistance and carbon monoxide filtering efficiency in filter self-rescuers (mines)
61 - E5.2 Temperature rise in filter self-rescuers (mines)
61 - E5.3 Carbon dioxide accumulation
62 - E5.4 Resistance to breathing
62 - E5.5 Positive pressure in facepieces and head coverings
62 - E5.6 Exhaled air humidity pre-conditioning
62 - E6 REPORTING OF RESULTS
65 - APPENDIX F - EXHALATION VALVE LEAKAGE TEST
65 - F1 SCOPE
65 - F2 PRINCIPLE
65 - F3 APPARATUS
65 - F4 PREPARATION
65 - F5 PROCEDURE
66 - F6 REPORTING OF RESULTS
67 - APPENDIX G - BREATHING RESISTANCE TEST
67 - G1 SCOPE
67 - G2 PRINCIPLE
67 - G3 APPARATUS
67 - G4 PROCEDURE
67 - G5 REPORTING OF RESULTS
69 - APPENDIX H - SIMULATED ROUGH USAGE TEST
69 - H1 SCOPE
69 - H2 PRINCIPLE
69 - H3 APPARATUS
69 - H4 PROCEDURE
69 - H5 ALTERNATIVE APPARATUS AND PROCEDURE
69 - H6 ALTERNATIVE TEST PROCEDURE
71 - H7 REPORTING OF RESULTS
72 - APPENDIX I - PARTICULATE FILTERS-TEST FOR FILTERING EFFICIENCY
72 - I1 SCOPE
72 - I2 PRINCIPLE
72 - I3 APPARATUS
72 - I4 PROCEDURE
72 - I5 CALCULATION OF THE PENETRATION
72 - I6 REPORTING OF RESULTS
73 - APPENDIX J - SUPPLIED-AIR RESPIRATORS-SIMULATED WORK TESTS
73 - J1 SCOPE
73 - J2 APPLICATION
73 - J3 TEST SUBJECTS
73 - J4 TEST PROCEDURE
73 - J4.1 General
73 - J4.2 Simulated work tests for air-line or compressed-air SCBA respirators work or rescue type
74 - J4.3 Simulated work test for compressed-air SCBA and supplied-oxygen SCBA-escape type
74 - J4.4 Simulated work test for supplied oxygen SCBAs
74 - J5 ASSESSMENT
75 - J6 REPORTING OF RESULTS
76 - APPENDIX K - CYLINDER VALVE REQUIREMENTS
76 - K1 SCOPE
76 - K2 VALVES
76 - K2.1 Construction - general
76 - K2.2 Materials
76 - K2.3 Pressure rating
76 - K2.4 Valve stem (inlet) thread
76 - K2.5 Type of valve exhalation connection
76 - K2.6 Marking
77 - APPENDIX L - APPARATUS TO BE USED IN SODIUM CHLORIDE AEROSOL TESTS
77 - L1 SCOPE
77 - L2 APPARATUS AND TEST CONDITIONS COMMON TO BOTH TESTS
77 - L2.1 Aerosol generator
77 - L2.2 Detection
77 - L3 APPARATUS AND CONDITIONS FOR FILTER TESTING
77 - L4 APPARATUS AND CONDITIONS FOR FACIAL FIT TESTING
77 - L4.1 Aerosol
77 - L4.2
78 - L4.3 Detection system
78 - L4.4 Exercise machine
78 - L4.5 Sample pumps
78 - L4.6 Sample tubes
78 - L4.7 Sampling system
79 - L4.8 Filter simulator blank (full facepiece only)
83 - APPENDIX M - CONVERSION TABLE

Specifies performances and testing criteria for seven main types of respirators. General design requirements and test requirements are provided for each respirator category. Appendices include a method for testing total inward leakage of assembled respirators, as well as qualitative facial fit testing and testing of component parts. Criteria for the correct selection use and maintenance of respirators are provided in AS/NZS 1715.

This Standard specifies requirements for respiratory protective devices (respirators) intended to provide, according to type, varying degrees of protection against atmospheres containing substances which may be harmful if breathed; also, with certain types, to provide protection against atmospheres which may be deficient in oxygen.The Standard specifies requirements, performance and testing criteria to be observed in the manufacture of respirators.It does not purport to give guidance on the selection, use and maintenance of respirators. Reference should be made to AS/NZS 1715 for such guidance and for determining the type of protection which should be provided for any particular condition.The Standard does not apply to respirators for use in aircraft, for operations under water (see AS 2299), or for life support respirators used for medical purposes or resuscitation (see AS 2488).

First published in Australia as AS Z18-1963.
Second edition 1968.
Revised and redesignated AS 1716-1975.
Second edition 1982.
Third edition 1984.
Fourth edition 1991.
First published in New Zealand as part of NZS 1568-1961 (being endorsement of BS 2091:1954 with amendments).
NZS 2209 first published 1968.
NZS 1586-1961 revised and redesignated in part as NZS 2266:1969.
NZS 2209:1968 and NZS 2266:1969 replaced by NZS/AS 1716-1991 (harmonized 1992).
NZS 2209:1968 and NZS 2266:1969 withdrawn 1992.
Jointly revised and designated as Joint Standard AS/NZS 1716:1994.