ISO INTERNATIONAL STANDARD 6182-14 First edition 2019-02 Fire protection Automatic nozzle systems - Part 14: Requirements and test methods for water spray nozzles Reference number ISO 6182-14:2019(E) ISO @ IS0 2019 IS0 6182-14:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 6182-14:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope 2 Normative references 3 Terms and definitions 4 Product consistency ..2 5 Product assembly .2 5.1 Design features .2 5.2 Materials of construction .2 6 Requirements .2 6.1 Dimensions. 2 6.1.1 Orifice size. .2 6.1.2 Nominal thread sizes. 22 6.2 Flow constant (see Z.2) 6.3 Spray angle (see 7.3) 3 6.4 Stress corrosion (see Z.4) .3 6.4.1 Stress corrosion for copper alloy parts (see Z.4.1) 3 6.4.2 Stress corrosion for stainless steel parts (see Z.4.2) .3 6.5 Coated nozzles (see Z.5) .3 6.5.1 Evaporation of wax and bitumen (see Z.5.1) 3 6.5.2 Resistance to low temperatures (see Z.5.2) .3 6.5.3 Resistance to high temperature (see Z.5.3) .3 6.6 Resistance to heat (see Z.6) ..3 6.7 Vibration (see Z.7) 4 6.8 Impact (see 7.8) ..4 6.9 Strength of water dispersing components (see 7.9) 4 7 Methods of test. ..4 7.1 Preliminary examination .4 7.1.1 Visual examination. 4 7.2 Water flow constant (see 6.2) ..4 7.3 Spray angle tests (see 6.3) .5 7.4 Stress corrosion tests (see 6.4) .7 7.4.1 Stress corrosion test with aqueous ammonia solution (see 6.4.1) 7 7.4.2 Stress corrosion test with a boiling magnesium chloride solution (see 6.4.2) .8 7.5 Tests for nozzle coatings (see 6.5) .8 7.5.1 Evaporation test (see 6.5.1) .8 7.5.2 Low-temperature test (see 6.5.2) 7.5.3 High-temperature test (see 6.5.3) .8 7.6 Resistance to heat test (see 6.6) ..8 7.7 Vibration test (see 6.Z) .9 7.8 Impact test (see 6.8). .9 7.9 Strength of water dispersing components test (see 6.9) ..10 8 Marking ..10 8.1 Nozzles .10 9 Manufacturer's installation instructions ..11 Annex A (normative) Tolerances .12 @ IS0 2019 - All rights reserved iii