ISO 6182-1:2021

INTERNATIONAL ISO
STANDARD 6182-1
Fourth edition
2021-05
Corrected version
2021-08
Fire protection — Automatic sprinkler
systems —
Part 1:
Requirements and test methods for
sprinklers
Protection contre l'incendie — Systèmes d'extinction automatiques du
type sprinkler —
Partie 1: Prescriptions et méthodes d'essai des sprinklers
Reference number
©
ISO 2021
© ISO 2021
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Published in Switzerland
ii © ISO 2021 – All rights reserved

Contents Page
Foreword .vii
Introduction .ix
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General . 1
3.2 Types of sprinklers according to type of responsive element . 4
3.3 Types of sprinklers according to type of water distribution . 4
3.4 Types of sprinklers according to position . 5
3.5 Special types of sprinklers . 6
3.6 Types of sprinklers according to sprinkler sensitivity . 7
4 Product consistency . 8
4.1 Quality control programme . 8
4.2 Leak resistance testing . 8
4.3 Glass bulb integrity test . 8
5 Product assembly. 8
5.1 General . 8
5.2 Dynamic O-ring seals . 8
5.3 Rated pressure . 8
5.4 Dry sprinklers . 9
5.5 Escutcheons . 9
6 Requirements . 9
6.1 General . 9
6.1.1 Electrically activated sprinkler and monitoring of activation . 9
6.1.2 Orifice size . 9
6.1.3 Nominal thread sizes . 9
6.2 Maximum coverage areas and spacing .10
6.3 Temperature ratings and colour coding .10
6.4 Service load and strength of sprinkler body (see 7.4) .11
6.5 Strength of heat-responsive element (see 7.5) .11
6.5.1 Glass bulb elements . .11
6.5.2 Fusible elements .12
6.6 Leak resistance and hydrostatic strength (see 7.6) .12
6.7 Thirty-day leakage resistance (see 7.7) .12
6.8 Vacuum resistance (see 7.8) .13
6.9 Water hammer (see 7.9) .13
6.10 Vibration (see 7.10) .13
6.11 Deflector strength (see 7.11) .13
6.12 Water shield rotation (see 7.12) .13
6.13 Impact (see 7.13) .13
6.14 Protective covers (see 7.14) .13
6.15 Rough usage (see 7.15) .14
6.16 Dry sprinkler air tightness (see 7.16) .14
6.17 Operating temperature (see 7.17) .14
6.18 Sensitivity — response time index (RTI) (see 7.18) .14
6.18.1 Pre-exposure RTI .14
6.18.2 Post-exposure RTI . .15
6.19 Sensitivity test of flush, concealed and recessed sprinklers (see 7.19) .15
6.19.1 General.15
6.19.2 Room response test (see 7.19.2) .15
6.19.3 Plunge test (see 7.19.3) .15
6.20 Lodgement (see 7.20) .16
6.21 Heat exposure (see 7.21) .17
6.21.1 Glass bulb sprinklers .17
6.21.2 All sprinklers .17
6.21.3 Coated sprinklers .17
6.22 Sprinkler coatings (see 7.22) .17
6.22.1 Evaporation of wax and bitumen .17
6.22.2 Resistance to low temperatures .17
6.23 Thermal shock for glass bulb sprinklers (see 7.23) .17
6.24 Resistance to heat (see 7.24) .17
6.25 Freezing test (see 7.25) .17
6.26 Corrosion (see 7.26) .18
6.26.1 Stress corrosion for copper-based alloy components (see 7.26.1) .18
6.26.2 Stress corrosion for stainless steel components (see 7.26.2) .18
6.26.3 Sulphur dioxide/carbon dioxide corrosion (see 7.26.3) .18
6.26.4 Hydrogen sulphide corrosion (see 7.26.4) .18
6.26.5 Salt spray loading (see 7.26.5) .18
6.26.6 Moist air exposure (see 7.26.6) .19
6.26.7 Dry-type sprinkler deposit loading (see 7.26.7) .19
6.26.8 Dezincification of brass parts (see 7.26.8) .19
6.27 Water flow constant (see 7.27) .19
6.28 Water distribution (see 7.28) .20
6.28.1 General.20
6.28.2 Spray, flat spray, conventional and dry sprinkler water distribution (see
7.28.2) .21
6.28.3 Domestic sprinkler water distribution (see 7.28.3) .
...