ISO INTERNATIONAL STANDARD 13693-2 First edition 2015-02-15 Irrigation equipment Safety devices for chemigation - Part 2: Chemigation valve assemblies from DN 75 (3") to DN 350 (14") Matériel d'irrigation - Dispositifs de sécurité pour I'application de produits chimiques par irrigation Partie 2: Installations de vannes pour application de produits chimiques par irrigation de DN 75 (3") a DN 350 (14") Reference number ISO 13693-2:2015(E) ISO @ IS0 2015 IS0 13693-2:2015(E) Contents Page Foreword ..iv Introduction. 1 Scope. 2 Normative references 3 Terms and definitions 4 Design considerations ..2 4.1 General requirements .2 4.2 Specific requirements .3 5 Performance requirements. ..4 5.1 General .4 5.2 Permissible deviations of measuring devices. 5.3 Mechanical strength of valve body assembly and components. .4 5.3.1 Resistance to internal pressure. .4 5.3.2 Test methods .5 5.4 Lowpressuredrainvalve ..5 5.5 Hydraulic characteristics .5 5.6 Vacuum relief valve .6 5.7 Elevated temperature tests .6 5.8 Endurance. .6 5.8.1 Requirements 5.8.2 Tests .6 5.9 Acoustictest ..6 6 Conformity assessment. 6.1 General .6 6.2 Type tests. 6.3 Control of production process and quality system 1 7 Marking, technical documents, and packaging .1 7.1 Marking 7.2 Technical documents. 7 7.3 Packaging. 7 Bibliography 8 @ IS0 2015 - All rights reserved iii IS0 13693-2:2015(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out throughIsotechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with Iso, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the IsO/IEC Directives, Part 1. Inparticularthe different approval criteria needed forthe different types of IsO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives) Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. Details of anypatentrightsidentifiedduringthedevelopmentofthedocumentwillbeintheIntroductionand/or on the Iso list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning of Iso specific terms and expressions related to conformity assessment, as well as information about ISO's adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information The committee responsible for this document is ISo/TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 18, Irrigation and drainage equipment and systems. Is0 13693 consists of the following parts, under the general title Irrigation equipment -Safety devices for chemigation: Part 1: Small plastics valves for chemington Part 2: Chemigation valve assemblies from DN 75 (3") to DN 350 (14") iv @ IS0 2015 - All rights reserved