4783/3 (ISO) International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION+MEXAYHAPOAHAR OPTAHW3AUMA HO CTAHAAPTW3AUMW+ORGANISATION INTERNATIONALE DE NORMALISATION Industrial wire screens and woven wire cloth - Guide to the choice of aperture size and wire diameter combinations Part 3 : Preferred combinations for pre-crimped or pressure-welded wire screens Tamis et tissus metalliques industriels -- Guide pour le choix des combinaisons d'ouverture de maille et de diametre du fil -- Partie3:Combinaisons preferentielles pour tissus preformes ou tissus soudés sous pression First edition-1981-10-01 )4783/3-1981 (E) UDC621.928.2 Ref.No.ISO4783/3-1981(E) Descriptors ; openings, sizing screens, wire cloth, dimensions. Copyright Interna Price based on 6 pages d without license from IHS Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards institutes (ISO member bodies). The work of developing Inter- national Standards is carried out through ISO technical committees, Every member body interested in a subject for which a technical comrmittee has been set up 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. the member bodies for approval before their acceptance as International Standards by the Iso Council. International Standard ISO 4783/3 was developed by Technical Committee ISO/Tc 24, Sieves, sieving and other sizing methods, and was circulated to the member bodies in December 1979. It has been approved by the member bodies of the following countries : Canada Ireland Spain Egypt, Arab Rep. of Netheriands Switzerland France Portugal United Kingdom Germany, F.R. Romania USA India South Africa, Rep. of USSR No member body expressed disapproval of the document. ? Internatio nal Organization for Standardization, 1981 Printed in Switzerland 9972545001 ed without license from IHS No reproductic ISO4783/3-1981(E) INTERNATIONALSTANDARD Industrial wire screens and woven wire cloth Guide to the choice of aperture size and wire diameter combinations Part 3 : Preferred combinations for pre-crimped or pressure-welded wire screens Scopeandfieldofapplication 2 References 7 This part of ISO 4783 tabulates preferred combinations of aper- IsO3,Preferrednumbers-Seriesofpreferred numbers. ture size and wire diameter for pre-crimped or pressure welded wire screens for industrial purposes which are taken from the ISo 497, Guide to the choice of series of preferred numbers general list of aperture/wire combinations given in ISO 4783/1. and of series containing more rounded values of preferred numbers. It applies to wire screens of aperture size from 125 to 1mm. ISo 2194, Wire screens and plate screens for industrial pur- poses-Nominal sizes ofapertures. NOTE This is the first International Standard on pre-crimped or pressure welded wire screens for industrial purposes; these specifica- ISo4782,Industrialwire screensandwovenwire cloth- dards. ISO Member Bodies are earnestly requested to rationalize fur- Diameters ofmetalwire. ther in order to reduce the number of wire diameters per aperture wldth within the next 5 years without excluding the option of increasing the ISO4783,Industrialwirescreensandwovenwirecloth numbers of preferred apertures. Guide to the choice of aperture size and wire diameter com- binations Part 2 of this International Standard gives the preferred com- Part 1: Generalities. binations for woven-wire cloth. Part 2: Preferred combinations for woven wire cloth. 1 se from IHS