1 - AS 4118.1.1-1996 FIRE SPRINKLER SYSTEMS - COMPONENTS-SPRINKLERS AND SPRAYERS
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 NEW DESIGNS AND INNOVATIONS
7 - 1.3 REFERENCED DOCUMENTS
8 - 1.4 DEFINITIONS
8 - 1.4.1 Conductivity factor (C)
8 - 1.4.2 Listed
8 - 1.4.3 Response time index (RTI)
8 - 1.4.4 Sprinkler
8 - 1.4.5 Standard orientation
8 - 1.4.6 Worst-case orientation
8 - 1.5 DEEMED TO SATISFY
9 - 1.6 INTERPRETATION OF SPECIFIED LIMITING VALUES
10 - SECTION 2 TYPES OF SPRINKLERS
10 - 2.1 TYPE OF SPRINKLER ACCORDING TO TYPE OF HEAT RESPONSIVE ELEMENT
10 - 2.1.1 Metallic element sprinkler
10 - 2.1.2 Frangible glass bulb sprinkler
10 - 2.2 TYPE OF SPRINKLER ACCORDINGTO WATER DISTRIBUTION
10 - 2.2.1 Conventional sprinkler
10 - 2.2.2 Spray-sprinkler
10 - 2.2.3 Flat spray-sprinkler
10 - 2.2.4 Sidewall sprinkler
10 - 2.2.5 Residential sprinkler
14 - 2.3 TYPE OF SPRINKLER ACCORDINGTO MOUNTING POSITION
14 - 2.3.1 Upright sprinkler
14 - 2.3.2 Pendent sprinkler
14 - 2.3.3 Horizontal sprinkler
14 - 2.4 SPECIAL TYPES OF SPRINKLER
14 - 2.4.1 Dry sprinkler
14 - 2.4.2 Flush sprinkler
14 - 2.4.3 Recessed sprinkler
14 - 2.4.4 Concealed sprinkler
14 - 2.4.5 On- off sprinkler
14 - 2.4.6 Fast- response sprinkler
14 - 2.4.7 Residential sprinkler
14 - 2.4.8 Extended coverage sprinkler
14 - 2.4.9 Large drop sprinkler
14 - 2.4.10 Early suppression fast- response
14 - 2.4.11 Large orifice and extra large orifice
14 - 2.4.12 Quick response sprinkler
15 - SECTION 3 REQUIREMENTS
15 - 3.1 DIMENSIONS
15 - 3.2 UPGRADING OF SPRINKLER INSTALLATIONS
15 - 3.3 NOMINAL RELEASE TEMPERATURES
15 - 3.4 OPERATING TEMPERATURES
15 - 3.4.1 Metallic element sprinklers
16 - 3.4.2 Frangible glass bulb sprinklers
16 - 3.5 WATER FLOW AND DISTRIBUTION
16 - 3.5.1 Flow constant
16 - 3.5.2 Water distribution
16 - 3.6 FUNCTION
16 - 3.6.1 Release temperatures
17 - 3.6.2 Deflector strength
17 - 3.7 STRENGTH OF SPRINKLER BODY
17 - 3.8 STRENGTH OF RELEASE ELEMENT
17 - 3.8.1 Frangible glass bulbs
17 - 3.8.2 Metallic heat- responsive elements
17 - 3.9 LEAK RESISTANCE
17 - 3.10 HEAT EXPOSURE
17 - 3.10.1 Frangible glass bulb sprinklers
17 - 3.10.2 Uncoated sprinklers
17 - 3.10.3 Coated sprinklers
17 - 3.11 THERMAL SHOCK
17 - 3.12 CORROSION
17 - 3.12.1 Stress corrosion
17 - 3.12.2 Sulfur dioxide corrosion
17 - 3.12.3 Salt spray corrosion
17 - 3.12.4 Moist air exposure
18 - 3.13 INTEGRITY OF SPRINKLER COATING
18 - 3.13.1 Evaporation of wax and bitumen
18 - 3.13.2 Resistance to low temperatures
18 - 3.13.3 Resistance to high temperatures
18 - 3.14 WATER HAMMER
18 - 3.15 DYNAMIC HEATING
18 - 3.15.1 RTI determination
18 - 3.15.2 Post-exposure RTI
18 - 3.16 RESISTANCE TO HEAT
18 - 3.17 RESISTANCE TO VIBRATION
18 - 3.18 RESISTANCE TO IMPACT
18 - 3.19 CRIB FIRE PERFORMANCE
19 - 3.20 LATERAL DISCHARGE
19 - 3.21 30 DAY LEAKAGE RESISTANCE
19 - 3.22 VACUUM RESISTANCE
20 - SECTION 4 TEST METHODS
20 - 4.1 GENERAL
20 - 4.2 EXAMINATION
20 - 4.2.1 Preliminary examination
20 - 4.2.2 Visual examination
20 - 4.3 DETERMINATION OF SERVICE LOAD
20 - 4.3.1 Measurements at service load
20 - 4.3.2 Measurements at twice the service load
22 - 4.4 LEAK-RESISTANCE TEST
22 - 4.5 FUNCTIONAL TEST
22 - 4.5.1 Sprinklers less than 78°C
22 - 4.5.2 Sprinklers more than 78°C
22 - 4.5.3 Following pressures
22 - 4.5.4 Lodgement and test quantity escalation
22 - 4.5.5 Lodgement
22 - 4.5.6 Deflector strength
22 - 4.6 TESTING THE CHARACTERISTICS OF THE HEAT RESPONSIVE ELEMENT
22 - 4.6.1 Test of static operation behaviour
23 - 4.6.2 Dynamic heating test
28 - 4.7 HEAT EXPOSURE TEST
28 - 4.7.1 Frangible glass bulb sprinklers
28 - 4.7.2 Uncoated sprinklers
28 - 4.7.3 Coated sprinklers
28 - 4.8 THERMAL SHOCKTEST FOR GLASS BULB SPRINKLERS
29 - 4.9 STRENGTH TEST FOR RELEASE ELEMENTS
29 - 4.9.1 Frangible glass bulbs
29 - 4.9.2 Fusible metallic elements
29 - 4.10 WATER FLOW TEST
29 - 4.11 WATER DISTRIBUTION TEST
29 - 4.11.1 Conventional, spray, flat spray and dry sprinklers
30 - 4.11.2 Sidewall sprinklers
30 - 4.11.3 Water distribution above and below the deflector
38 - 4.12 CORROSION TESTS
38 - 4.12.1 Stress corrosion test with aqueous ammonia solution
38 - 4.12.2 Sulfur dioxide corrosion test
39 - 4.12.3 Salt spray corrosion test
39 - 4.12.4 Sprinklers for moist air exposure
39 - 4.13 TESTS FOR SPRINKLER COATINGS
39 - 4.13.1 Evaporation test
39 - 4.13.2 Low-temperature test
40 - 4.14 HEAT-RESISTANCE TEST
40 - 4.15 WATER-HAMMER TEST
40 - 4.16 VIBRATION TEST
40 - 4.16.1 Sinusoidal vibration
40 - 4.16.2 Resonance points
40 - 4.16.3 Leakage test
40 - 4.17 IMPACT TEST
42 - 4.18 CRIB FIRE TEST
42 - 4.18.1 Apparatus
44 - 4.18.2 Sprinkler installation
46 - 4.18.3 Test room
46 - 4.18.4 Procedure
46 - 4.18.5 Performance criteria
46 - 4.19 30 DAY LEAKAGE TEST
47 - 4.20 VACUUM TEST
48 - SECTION 5 MARKING
49 - APPENDIX A - BIBLIOGRAPHY
50 - APPENDIX B - NOTES ON THE STRENGTH TEST FOR RELEASE ELEMENTS