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BS 6620-1:1991

BS 6620-1:1991

Current

Current

The latest, up-to-date edition.

Industrial plate screens Guide for screens of thickness 3 mm and above

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-31-1992

Publisher

British Standards Institution

Committees responsible
National foreword
Guide
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. Material and design
5. Tolerances
6. Testing
7. Designation
Annex
Examples
Tables
1. Pitch/hole ratios and related open areas
2. Examples of round hole perforations at 60 deg
    stagger in industrial plate screens
3. Examples of square hold perforations in industrial
    plate screens
4. Examples of tolerances on pitch
Figures
1. Round holes: 60 deg staggered arrangement
2. Square holes: in-line arrangement
3. Square holes: half-pitch staggered arrangement

Describes three patterns using round and square perforations in plate of 3 mm thickness and above.

This part of ISO 7805 describes three patterns using round (circular) and square perforations in low carbon steel plate of 3 mm thickness and above; the sizes of holes ranging from 125 to 3,15 mm inclusive. Five ratios of pitch to hole are prescribed which result in nominal areas ranging from about 64 to 23 %. Tolerances for both hole and pitch are given.

As this part of ISO 7805 provides a diversity of choice, it is unlikely that every one of the many possible combinations of size of hole, pitch and plate thickness will be manufactured. The selection for national standards for industrial plate screens should be made from those combinations which suit the products and screening methods in the country concerned.

Industrial plate screens of thicknesses below 3 mm are dealt with in ISO 7805-2.

Committee
LBI/37
DevelopmentNote
Also numbered as ISO 7805-1 Supersedes 83/72051 DC (09/2005)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7792:1995 Specification for industrial plate screens

ISO 7805-2:1987 Industrial plate screens — Part 2: Thickness below 3 mm
ISO 2395:1990 Test sieves and test sieving — Vocabulary
BS 6620-2:1991 Industrial plate screens Guide for screens of thickness below 3 mm
BS 6511:1984 Specification for designation of perforations in industrial plate screens
BS 2045:1965 Preferred numbers
BS 481-2:1972 Specification for industrial wire mesh High tensile steel wire mesh with square apertures from 125 mm to 2 mm

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Hardcopy - English
PDF - English
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