ISO INTERNATIONAL STANDARD 6182-17 First edition 2020-07 Fire protection Automatic sprinkler systems - Part 17: Requirements and test methods for pressure reducing valves Protection contre I'incendie-Systemes d'extinctionautomatiquesdu type sprinkler- Partie17:Exigencesetméthodes d'essaipour les détendeurs Reference number IS0 6182-17:2020(E) ISO @ ISO 2020 IS0 6182-17:2020(E) COPYRIGHTPROTECTEDDOCUMENT ISO2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may below or ISo's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii IS02020-Allrights reserved IS06182-17:2020(E) Contents Page Foreword iv 1 Scope .1 2 Normative references. .1 3 Terms and definitions .1 4 Requirements 2 ２２ 4.1 Nominal sizes and tolerances 4.2 Connections. 4.3 Rated working pressure 3 4.4 Body and cover. 3 4.5 Strength (see 6.4) 3 4.6 Accessformaintenance 4 4.7 Components. 4 4.8 Leakage and deformation (6.3) 5 4.9 Non-metallic components (excluding gaskets, diaphragms, seals and other elastomeric parts) (see 6.5 and 6.6) 55 4.10 Sealing assembly elements (see 6.7) 4.11 Clearances. 5 4.12 Operation (see 6.8) 5 4.13 Static leakage (see 6.9) 6 4.14 Durability (see 6.10) 6 5 Production testing and qualitycontrol .6 6 Tests .6 6.1 Samples 6 6.2 Spring and diaphragm 6 6.2.1 Spring. 6 6.2.2 Diaphragm. 7 6.3 Leakage and deformation (see 4.8) 7 6.3.1 Body leakage (see 4.8.1) 6.3.2 Sealing assembly (see 4.8.2) 7 6.3.3 Stem seal and repacking leakage (see 4.8.3) 7 6.4 Strength (see 4.5) 7 6.4.1 Body (see 4.5.1) 7 7 6.4.2 Diaphragms (see 4.5.2) 6.5 Warm-water ageing test for non-metallic components (excluding gaskets, seals and other elastomeric components) (see 4.9) .7 6.6 Air ageingtestfor non-metallic components (excluding gaskets, seals and other elastomeric components) (see 4.9) 8 6.7 Sealing element tests (see 4.10) 8 6.8 Operation (see 4.12) .9 Static leakage (90 days) (see 4.13) 6.9 9 6.10 Durability (see 4.14) .10 7 Marking .10 8 Manufacturer's installation instructions .10 AnnexA (normative)Tolerances .12 Bibliography .13 @ IS0 2020 - All rights reserved iii