AS 4214.4-1995

1 - AS 4214.4-1995 GASEOUS FIRE EXTINGUISHING SYSTEMS - FM-200 (HFC-227 ea) 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 FM-200
9 - 1.5.1 Extinguishing mechanism
9 - 1.5.2 Uses for FM-200 systems
9 - 1.5.3 Limitations of FM-200 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 FM-200 concentrations
10 - 2.2 SAFETY PRECAUTIONS 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 - 3.5.1 Class A
11 - 3.5.2 Class B
12 - 3.5.3 Listing program
13 - 3.6 INERTING REQUIREMENTS
13 - 3.7 COMBUSTIBLE SOLIDS
13 - 3.8 TOTAL FLOODING QUANTITY
13 - 3.9 PRESSURE ADJUSTMENT
13 - 3.10 COMPATIBILITY
16 - SECTION 4 PROTECTED ENCLOSURE REQUIREMENTS
17 - SECTION 5 FM-200 SUPPLY
17 - 5.1 QUALITY
17 - 5.2 STORAGE CONTAINERS
17 - 5.3 STORAGE CONTAINER ARRANGEMENT
19 - SECTION 6 DISTRIBUTION SYSTEM
19 - 6.1 GENERAL
19 - 6.2 STEEL PIPE
19 - 6.3 COPPER PIPE
19 - 6.4 PIPING JOINTS
19 - 6.4.1 Jointing of ferrous pipes
19 - 6.4.2 Jointing of copper pipe
19 - 6.4.3 Mechanical pipe joints
20 - 6.4.4 Pipe support
20 - 6.5 SAFETY DEVICES
21 - SECTION 7 CONTROL SYSTEMS
21 - SECTION 8 MARKING
22 - SECTION 9 COMMISSIONING AND ACCEPTANCE TESTING
22 - 9.1 CRITERIA FOR ACCEPTANCE
22 - 9.2 COMMISSIONING CERTIFICATION
22 - 9.3 FAILURE
23 - APPENDIX A - SAFETY OF PERSONNEL
23 - A1 SCOPE
23 - A2 EFFECTS ON HUMANS
23 - A3 HAZARDOUS DECOMPOSITION PRODUCTS
24 - A4 OTHER POTENTIAL HAZARDS
25 - APPENDIX B - DISCHARGE TEST
25 - B1 SCOPE
25 - B2 PRINCIPLE
25 - B3 TEST MEDIUM
25 - B4 APPARATUS
25 - B5 PROCEDURE
25 - B6 RECOMMISSIONING
26 - B7 REPORTING
27 - APPENDIX C - NOTICE OF COMPLETION
29 - APPENDIX D - CHARACTERISTICS OF FM-200 (HFC-227 ea)
29 - D1 SCOPE
29 - D2 CHARACTERISTICS OF FM-200
29 - D2.1 Physical properties
29 - D2.2 Pressure versus temperature
29 - D2.3 Nitrogen superpressure
31 - D2.4 System discharge
32 - D2.5 Average system pressure
32 - D2.6 Average cylinder pressures
32 - D2.7 Turbulent pipe flow
32 - D2.8 Percentage in pipes
32 - D2.9 First branch flow split
33 - D2.10 Tee flow splits
33 - D2.11 Initial vapour phase
33 - D2.12 Final vapour phase
33 - D2.13 Special conditions: extended discharge
34 - D2.14 Special conditions: uncloseable openings
34 - D3 FM-200 ENGINEERED SYSTEMS
34 - D3.1 Engineered (central storage) systems
34 - D3.2 Pre-engineered (or modular) systems

Specifies requirements for systems utilizing HFC-227ea 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.

This Standard complements AS 4214.1 and sets out requirements for fire extinguishing systems, utilising FM-200 (HFC-227ea) for use in enclosed spaces. It applies to single supply or distributed supply systems. HFC-227ea shall be referred to as FM-200 in this Standard.

First published as AS 4214.4-1995.