AS 4265-1995

1-AS 4265-1995 WHEELED FIRE EXTINGUISHERS
4-PREFACE
5-CONTENTS
6-SECTION 1 - SCOPE AND GENERAL
6-1.1 SCOPE
6-1.2 REFERENCED DOCUMENTS
7-1.3 DEFINITIONS
7-1.3.1 Actuating mechanism
7-1.3.2 Anti-discharge device
7-1.3.3 Anti-overfill device
7-1.3.4 Anti-tamper seal
7-1.3.5 Cap
7-1.3.6 Control nozzle
7-1.3.7 Cylinder
7-1.3.8 Discharge fittings
7-1.3.9 Discharge hose assembly
7-1.3.10 Extinguishant
7-1.3.11 Extinguisher size
7-1.3.12 Gas container type
7-1.3.13 Maximum developed pressure
7-1.3.14 Maximum service temperature
7-1.3.15 Neck ring
8-1.3.16 Operating head
8-1.3.17 Pressure indicator
8-1.3.18 Pressure release vents (extinguishers other than carbon dioxide type)
8-1.3.19 Safety device
8-1.3.20 Siphon tube
8-1.3.21 Skirt
8-1.3.22 Stored pressure type
8-1.3.23 Wheeled fire extinguisher
8-1.4 INTERPRETATION IN ACCORDANCE WITH THE ROUNDING METHOD
8-1.5 CLASSIFICATION AND RATING
10-SECTION 2 - DESIGN AND CONSTRUCTION
10-2.1 SIZE
10-2.2 METHOD OF OPERATION
10-2.2.1 General
10-2.2.2 Operation
10-2.2.3 Discharge of contents
10-2.3 CHARGE AND RECHARGE
11-2.3.1 Water extinguishers
11-2.3.2 Wet chemical extinguishers
11-2.3.3 Foam extinguishers
11-2.3.4 Powder extinguishers
12-2.3.5 Carbon dioxide extinguishers.
12-2.3.6 Vapourizing- liquid extinguishers
12-2.4 CYLINDERS
12-2.5 ANTI-CORROSION TREATMENT
12-2.5.1 Internal surfaces
12-2.5.2 External surfaces
13-2.6 OPERATING HEAD
13-2.6.1 Material
13-2.6.2 Construction
13-2.6.3 Compressed gas containers
13-2.6.4 Safety device
13-2.7 ACTUATING MECHANISM
13-2.8 SEALING DEVICE
14-2.9 CARRIAGE ASSEMBLY
14-2.9.1 General
14-2.9.2 Running gear
14-2.9.3 Testing
14-2.10 PRESSURE- INDICATING DEVICE
14-2.11 DISCHARGE FITTINGS
14-2.11.1 Siphon tube
14-2.11.2 Discharge hose and fittings
14-2.11.3 Discharge control assembly
15-SECTION 3 - PERFORMANCE REQUIREMENTS
15-3.1 DISCHARGING AND FIRE RATING
15-3.1.1 General
15-3.1.2 Effective discharge
15-3.1.3 Intermittent discharge
15-3.2 RATING STATEMENT
15-3.3 VERTICAL TILTING
15-3.4 MANOEUVRING FORCE
15-3.5 EXTINGUISHER STABILITY
16-SECTION 4 - TESTING
16-4.1 DISCHARGE TEST
16-4.2 STANDARD PRESSURE TEST
16-4.2.1 Carbon dioxide type extinguishers
16-4.2.2 Extinguisher types other than carbon dioxide
16-4.3 CLEAR PASSAGE TEST
16-4.4 GAS LEAKAGE TESTS
16-4.4.1 General
16-4.4.2 Test by mass
16-4.4.3 Test by electronic leak detection
16-4.4.4 Test by immersion
16-4.4.5 Rejection criteria
17-4.4.6 Testing compressed gas containers for leakage of gas
18-SECTION 5 - INSTRUCTIONS, MARKING AND PACKAGING
18-5.1 GENERAL
18-5.2 IDENTIFICATION COLOUR
18-5.3 PERMANENT MARKING
18-5.4 MARKING
18-5.4.1 General
18-5.4.2 Size of lettering and pictographs
18-5.4.3 Operation
19-5.4.4 Identification
21-5.4.5 Servicing information
21-5.4.6 Labelling
21-5.5 SERVICE INFORMATION
21-5.6 EXPORT EXTINGUISHERS
21-5.7 PACKING FOR SHIPMENT
21-5.7.1 General
22-5.7.2 Water, wet chemical and foam extinguishers
22-5.7.3 Carbon dioxide, powder and vapourizing-liquid extinguishers
23-SECTION 6 - COMPRESSED GAS CONTAINERS
23-6.1 GENERAL
23-6.2 HIGH-PRESSURE COMPRESSED GAS CONTAINERS
23-6.2.1 General
23-6.2.2 Materials
23-6.2.3 Aluminium alloy containers -chemical composition
23-6.3 LEAKAGE TESTS
23-6.4 PROTECTIVE FINISH
24-APPENDIX A - EXTINGUISHER STABILITY TEST
24-A1 SCOPE
24-A2 PRINCIPLE
24-A3 APPARATUS
24-A4 PROCEDURE
24-A5 RESTORING MOMENT
24-A6 OVERTURNING MOMENT
24-A7 ACCEPTANCE CRITERIA
26-A8 TEST REPORT