ISO INTERNATIONAL STANDARD 6182-12 Third edition 2019-04 Fire protection Automatic sprinkler systems - Part 12: Requirements and test methods for grooved-end components for steel pipe systems Protection contre I'incendie - Systemes d'extinction automatiques du type sprinkler Partie 12: Exigences et méthodes d'essai pour les raccords de tuyauterie en acier a extrémités rainurées Reference number IS0 6182-12:2019(E) osi @ IS0 2019 IS0 6182-12:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 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: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 6182-12:2019(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions .1 3.2 Abbreviated terms 2 4 Product consistency 5 Product assembly .2 6 Requirements. .3 6.1 Grooved-end dimensions .3 6.2 Minimum pipe wall thickness .3 6.3 Mechanical coupling housing .3 6.4 Pressure-responsive gasket. .3 6.5 Bolts. 3 6.6 Nuts. .3 6.7 Hinge pins.. 3 6.8 Flexible coupling .3 6.9 Vacuum (see 7.2) .4 6.10 Air leakage (see Z.3). .4 6.11 Low-temperature exposure (see Z.4) 6.12 Heat aging (see Z.5) .4 6.13 Hydrostatic pressure (see 7.6) ..4 6.14 Bending moment (see 7.7) .4 6.15 Gasket material evaluation. ..4 6.15.1 Compression set. 4 6.15.2Tensile strength and elongation ..4 6.16 Fire resistance (see 7.8) .4 6.17 Rated working pressure .5 6.18 Nominal sizes .5 7 Test methods. .5 7.1 Test conditions and assembly .5 7.1.1 Test conditions .5 7.1.2 Test assembly .5 7.2 Vacuum (see 6.9) 7.3 Air leakage (see 6.10) .6 7.4 Low-temperature exposure (see 6.11) ..6 7.5 Heat aging (see 6.12) .6 7.6 Hydrostatic pressure test (see 6.13) ..6 7.7 Bending moment (see 6.14) .7 7.7.1 Test method 1 .7 7.7.2 Test method 2 7.8 Fire resistance (see 6.16) 10 8 Markings .11 8.1 Housing markings. .11 8.2 Gasket markings ..11 8.3 Manufacturer's installation instructions Annex A (informative) Roll grooved dimensions and tolerances ..13 Annex B (informative) Cut grooved dimensions and tolerances. ..18 Annex C (informative) Cast groove dimensions and tolerances ..22 @ IS0 2019 - All rights reserved iii