ISO INTERNATIONAL STANDARD 9686 First edition 1996-04-15 Plastics traps for discharge pipework systems inside buildings Siphons en matieres plastiques pour les systemes d'evacuation a I'intérieur des batiments ISO Reference number ISO 9896:1996(E) Not for Resale ISO 9896:1996(E) Contents Page Section 1 General 1.1 Scope 1.2 Normative references Section 2 Sanitary appliance traps 2.1 Scope 2 2.2 Definitions 2.3 Materials 2.4 Appearance 2.5 Geometrical characteristics 4 2.6 Physical and mechanical characteristics 5 2.7 Chemical characteristics 5 2.8 Functional characteristics 6 2.9 Marking 6 Section 3 Gully traps 8 3.1 Scope 8 3.2 Definitions 8 3.3 Materials 10 3.4 Appearance 10 3.5 Geometrical characteristics 10 3.6 Physical and mechanical characteristics 12 3.7 Chemical characteristics 12 3.8 Functionalcharacteristics 12 3.9 Marking 13 ISO1996 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. International OrganizationforStandardization Case Postale 56· CH-1211 Geneve 20: Switzerland Printed in Switzerland 中 Not for Resale ISO ISO 9896:1996(E) Annexes A Definition of domestic waste waters 14 B Torque test for nuts 15 C Stress cracking test 17 D Rate-of-flow test for traps 18 E Seal retention test 19 F Self-cleansing test for traps 21 G Load tests for strength and deflection 22 H Rate-of-flow test for gullies 24 Self-cleansing test for gullies 26 K Test for tightness between floor gully and membrane-covered floor 27 ii Copyright Intermational Organization for Standardization No reproduction or networking permited without license from IHS Not for Resale