ISO INTERNATIONAL STANDARD 8224-2 First edition 1991-02-01 ANSI Imternat Doc Sec Traveller irrigation machines Part 2: Softwall hose and couplings -- Test methods Machines d'arrosage mobiles - Partie 2: Tuyau flexible et raccords --- Méthodes d'essai Reference number ISO 8224-2:1991(E) Copyright International Organization for Standardization itted without license from IHS Not for Resale ISO 8224-2:1991(E) Foreword IsO (the International Organization for Standardization) is a woridwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mentai 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. Draft international Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Inter- bodies casting a vote. International Standard IsO 8224-2 was prepared by Technical Committee iso/Tc 23, Tractors and machinery for agriculture and forestry. iso 8224 consists of the following parts, under the general title Traveller irrigation machines: Part 1: Laboratory and fieid test methods Part 2: Softwall hose and couplings --- Test methods CISO1991 Al rights reserved. No part of this pubilication may be reproduced or utllized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. internationai Organization for Standardization Case Postale 56 : CH-1211 Geneve 20 ·: Switzerland Printed in Switzerland ii Copyright International Organization for Standardization from IHS Not for Resale ISO 8224-2:1991(E) INTERNATIONAL STANDARD Traveller irrigation machines Part 2: Softwall hose and couplings --- Test methods IsO 8033:1985, Rubber and plastics hose --- Determi- Scope nation of adhesion between components. This part of IsO 8224 specifies test methods for AsTM D 412-87, Standard test methods for rubber specific physica! properties and accelerated dura- properties in tension. bility tests for softwall irrigation hose and couplings used with irrigation machines. AsTM D 3389-87, Standard test method for coated fabrics abrasion resistance (rotary platform, double- stationary hose-coiling, mobile hose-laying or hose- head abrader). coiling, and mobile hose-dragging irrigation ma- chines used in agricuiture and forestry. Definitions For the purposes of this part of Iso 8224, the follow- 2 Normative references ing definitions apply. The following standards contain provisions which, 3.1 hose: Flexible reinforced tube for conveying through reference in this text, constitute provisions of this part of IsO 8224. At the time of publication water, roughly round in cross-section when filled the editions indicated were valid. All standards are with water under normal operation pressure, and subject to revision, and parties to agreements based which may be collapsible when drained of water. on this part of IsO 8224 are encouraged to investi- The hose consists of a cover, a hydraulic load- gate the possibility of applying the most recent edi- bearing textile reinforcement, and tions of the standards indicated below. Members of impermeable tube. IEC and ISO maintain registers of currentiy valid International Standards. 3.2 elongation: Increase in the hose length caused by pressurization. IsO 1402:1984, Rubber and plastics hoses and hose assemblies --- Hydrostatic testing 3.3 snaking: Deviation in location of the hose from IsO 1421:1977, Fabrics coated with rubber or plastics the original straight-line position, as laid down by -- Determination of breaking strength and elongation the machine, c