ISO 7806:1983(en) Industrial plate screens — Codification for designating perforations

2024-08-30 11:22:21 wiremeshxr

ISO 7806:1983(en) Industrial plate screens — Codification for designating perforations

Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of developing International Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been authorized 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.

Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council.

International Standard ISO 7806 was developed by Technical Committee ISO/TC 24, Sieves, sieving and other sizing methods, and was circulated to the member bodies in November 1982.

It has been approved by the member bodies of the following countries :

Australia	India	South Africa, Rep. of
Belgium	Italy	Spain
Canada	Japan	Switzerland
Egypt, Arab Rep. of	Korea, Dem. P. Rep. of	United Kingdom
France	Netherlands	USSR
Germany, F. R.	Romania

No member body expressed disapproval of the document.

0 Introduction

The system laid down in this International Standard codifies the designation of perforated plate in order to facilitate communication between purchaser and supplier. It is based on work carried out in 1968 by the European association of manufacturers of perforated plate (EUROPERF). It is recommended that this system be applied worldwide, in order to discourage the development and use of a diversity of national codes.

1 Scope and field of application

This International Standard specifies the code for designating various kinds of perforations and their arrangements in perforated plate. It applies to perforated plate regardless of the plate material.

2 Reference

ISO 2395, Test sieves and test sieving — Vocabulary.

3 Definitions

For the purpose of this International Standard, the definitions given in ISO 2395 apply.

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ISO 7806:1983(en) Industrial plate screens — Codification for designating perforations