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AS 4214.5-1995

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Gaseous fire extinguishing systems NAF S-III (HCFC Blend A) Total flooding systems

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

26-05-2024

Superseded by

AS 4214-2002

Published date

01-01-1995

€77.79
Excluding VAT

1 - AS 4214.5-1995 GASEOUS FIRE EXTINGUISHING SYSTEMS - NAF S-II (HCFC BLEND A) TOTAL FLOODING SYSTEMS
4 - PREFACE
5 - CONTENTS
7 - FOREWORD
8 - SECTION 1 SCOPE AND GENERAL
8 - 1.1 SCOPE
8 - 1.2 APPLICATION
8 - 1.3 REFERENCED DOCUMENTS
9 - 1.4 DEFINITIONS
9 - 1.5 USES AND LIMITATIONS OF NAFS-III SYSTEMS
9 - 1.5.1 Extinguishing mechanism
9 - 1.5.2 Uses for NAFS-III systems
9 - 1.5.3 Limitations of NAFS-III systems
10 - SECTION 2 SAFETY REQUIREMENTS
10 - 2.1 SAFETY OF PERSONNEL
10 - 2.1.1 General
10 - 2.1.2 Protection of occupants
10 - 2.1.3 NAFS-III concentrations
10 - 2.2 SAFE TYPRE CAUTIONS AND LIMITS
11 - SECTION 3 SYSTEM DESIGN
11 - 3.1 GENERAL
11 - 3.2 DESIGN CONCENTRATION
11 - 3.3 DURATION OF DISCHARGE
11 - 3.4 CONCENTRATION, DISTRIBUTION AND HOLDING
11 - 3.5 FLAME EXTINGUISHMENT
11 - 3.5.2 Class B
12 - 3.5.3 Listing program
14 - 3.6 INERTING REQUIREMENTS
14 - 3.7 COMBUSTIBLE SOLIDS
14 - 3.8 TOTAL FLOODING QUANTITY
14 - 3.9 PRESSURE ADJUSTMENT
14 - 3.10 COMPATIBILITY
18 - SECTION 4 PROTECTED ENCLOSURE REQUIREMENTS
19 - SECTION 5 NAF S-III SUPPLY
19 - 5.1 QUALITY NAFS-III
19 - 5.2 STORAGE CONTAINERS
19 - 5.3 STORAGE CONTAINER ARRANGEMENT
21 - SECTION 6 DISTRIBUTION SYSTEM
21 - 6.1 GENERAL
21 - 6.2 STEEL PIPE
21 - 6.3 COPPER PIPE
21 - 6.4 PIPING JOINTS
21 - 6.4.1 Jointing of ferrous pipes
22 - 6.4.2 Jointing of copper pipe.
22 - 6.4.3 Mechanical pipe joints
22 - 6.4.4 Pipe support
22 - 6.5 SAFETY DEVICES
23 - SECTION 7 CONTROL SYSTEMS
24 - SECTION 8 MARKING
24 - 8.1 IDENTIFICATION
24 - 8.2 MARKING
25 - SECTION 9 COMMISSIONING AND ACCEPTANCE TESTING
25 - 9.1 CRITERIA FOR ACCEPTANCE
25 - 9.2 COMMISSIONING CERTIFICATION
25 - 9.3 FAILURE
26 - APPENDIX A - SAFETY OF PERSONNEL
26 - A1 SCOPE
26 - A2 EFFECTS ON HUMANS
26 - A3 HAZARDOUS DECOMPOSITION PRODUCTS
27 - A4 OTHER POTENTIAL HAZARDS
28 - APPENDIX B - DISCHARGE TEST
28 - B1 SCOPE
28 - B2 PRINCIPLE
28 - B3 TEST MEDIUM
28 - B4 APPARATUS
28 - B5 PROCEDURE
28 - B6 RECOMMISSIONING
29 - B7 REPORTING
30 - APPENDIX C - NOTICE OF COMPLETION
32 - APPENDIX D - CHARACTERISTICS OF NAFS-III (HCF C BLEND A)
32 - D1 SCOPE
32 - D2 CHARACTERISTICS OF NAFS-III
32 - D2.1 Physical properties
32 - D2.2 Pressure versus temperature
32 - D2.3 Nitrogen superpressure
32 - D2.4 System Discharge
33 - D2.5 Storage containers
33 - D2.6 Pressure recession
36 - D2.7 Required NAFS-III in distribution system
37 - D2.8 Temperature
38 - D2.9 Initial vapour time
38 - D2.10 Liquid flow
38 - D2.11 Phase separation
38 - D2.12 Average pressure conditions
38 - D2.13 Average nozzle pressure
38 - D2.14 Percent in distribution system
38 - D3 ENGINEERED AND PRE-ENGINEERED SYSTEMS
38 - D3.1 General
38 - D3.2 Engineered
38 - D3.3 Pre-engineered

Specifies requirements for NAF S-III total flooding systems utilising HCFC Blend A for use in confined spaces. It applies to single supply or distributed supply systems. This Standard was prepared as a companion document to AS 4214.1-1995.

Committee
FP-011
DocumentType
Standard
ISBN
0 7262 9737 2
Pages
32
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

This Standard complements AS 4214.1 and sets out requirements for total flooding fire extinguishing systems, utilising HCFC Blend A for use in enclosed spaces. It applies to single supply or distributed supply systems.The HCFC Blend A shall be referred to as NAF S-III in this Standard.

First published as AS 4214.5-1995.

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AS 2700-1996 Colour Standards for general purposes - Swatches
AS 4215.2-1995 Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases Determination of fire inerting concentrations
AS 2129-1994 Flanges for pipes, valves and fittings
AS 1722.1-1975 Pipe threads of Whitworth form Sealing pipe threads (metric units)
AS 4214.1-1995 Gaseous fire extinguishing systems General requirements
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AS 2444-2001 Portable fire extinguishers and fire blankets - Selection and location (Reconfirmed 2021)
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