1、BRITISH STANDARD BS7372-1: 1991 ISO4783-1: 1989 Guide to Choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth Part 1: GeneralBS 7372-1:1991 This British Standard, having been prepared under the directionof the General Mechanical Engineering Standard
2、s Policy Committee, waspublished under the authorityof the Board ofBSIandcomes into effect on 28February1991 BSI07-1999 The following BSI references relate to the work on this standard: Committee reference GME/29 Draft for comment88/72089DC ISBN 0 580 19013 7 Committees responsible for this British
3、Standard The preparation of this British Standard was entrusted by the General Mechanical Engineering Standards Policy Committee (GME/-) to Technical Committee GME/29, upon which the following bodies were represented: BCIRA British Cement Association British Coal Corporation British Laboratory Ware
4、Association Guild of Metal Perforators Institution of Chemical Engineers Institution of Mining and Metallurgy National Association of British and Irish Millers Ministry of Defence Society of Chemical Industry Society of Cosmetic Scientists Woven Wire Association Coopted members The following bodies
5、were also represented in the drafting of the standard, through subcommittees and panels: British Aggregate Construction Materials Industries British Steel Industry (Wire Section) National Federation of Clay Industries Refractories Association of Great Britain Amendments issued since publication Amd.
6、 No. Date CommentsBS7372-1:1991 BSI 07-1999 i Contents Page Committees responsible Inside front cover National foreword ii 1 Scope 1 2 Normative references 1 3 Designation 1 4 Aperture size and wire diameter combinations 1 5 Mass per unit area 11 6 Mesh count 11 Figure Mesh count of wire cloth 11 Ta
7、ble 1 Aperture size and wire diameter combinations 2 Table 2 Material densities 11 Publication(s) referred to Inside back coverBS 7372-1:1991 ii BSI 07-1999 National foreword This Part of BS7372 has been prepared under the direction of the General Mechanical Engineering Standards Policy Committee an
8、d is identical with ISO4783-1:1989 “Industrial wire screens and woven wire cloth Guide to the choice of aperture size and wire diameter combinations Part1: Generalities”, published by the International Organization for Standardization (ISO). ISO4783-1 was prepared by Technical Committee24of ISO and
9、the UK took an active part in its preparation. ISO4783-1:1989 (the second edition) superseded ISO4783:1981 and constituted a minor revision of it. BS7372 consists of the following parts: Part 1: General; Part 2: Preferred combinations for woven wire cloth. These two Parts supersede BS481-1:1971, whi
10、ch is withdrawn. When ISO4783-3:1981 “Preferred combinations for pre-crimped or pressure-welded wire screens” has been revised it will be considered for implementation as a British Standard to supersede BS481-2:1972. Related British Standards to ISO2194:1972 are BS410:1986 “Specification for test si
11、eves” and BS481 “Specification for industrial wire mesh” Part2:1972 “High tensile steel wire mesh with square apertures from125mm to2mm”. There is no British Standard corresponding to ISO4782. A British Standard does not purport to include all the necessary provisions of a contract. Users of British
12、 Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-reference International standard Corresponding British Standard ISO3:1973 BS2045:1965 Preferred numbers ISO497:1973 (Technically equivalent) S
13、ummary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 to 12, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside
14、 front cover.ISO 4783-1:1989(E) BSI 07-1999 1 1 Scope This part of ISO4783 tabulates combinations of aperture sizes and wire diameters for industrial wire screens and woven wire cloth. It provides thereby a comprehensive range from which preferred groups of combinations may be chosen. The percentage
15、 open area A oof each aperture/wire combination is stated to assist in assessing a combination for screening purposes. ISO4783-2 gives the preferred combinations for woven wire cloth, and ISO4783-3 the preferred combinations for pre-crimped or pressure-welded wire screens. 2 Normative references The
16、 following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO4783. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of ISO4783 are encouraged t
17、o investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO3:1973, Preferred numbers Series of preferred numbers. ISO497:1973, Guide to the choice of series of preferred
18、 numbers and of series containing more rounded values of preferred numbers. ISO2194:1972, Wire screens and plate screens for industrial purposes Nominal sizes of apertures. ISO4782:1987, Metal wire for industrial wire screens and woven wire cloth. 3 Designation Industrial wire screens and woven wire
19、 cloth shall be designated in the following sequence by a) width of aperture w; b) diameter of wire d; c) material of wire; d) type of weave (see ISO4783-2) or type of crimp (see ISO4783-3). 4 Aperture size and wire diameter combinations For each width of aperture, Table 1 gives a number of associat
20、ed diameters of wire and states the corresponding approximate percentage open area of the wire screen. Selections taken from this list may supply additional data such as mass per unit area (see clause5) or mesh count per unit length (see clause6). The open area may be calculated, as a percentage, fr
21、om the formula where A o is the open area, in percentage; w is the width of the aperture, in millimetres; d is the diameter of the wire, in millimetres. A o 100 w wd + - 2 =ISO4783-1:1989(E) 2 BSI 07-1999 Table 1 Aperture size and wire diameter combinations Open area A o % Width of aperture w, mm 12
22、5 100 80 63 R10 125 112 100 90 80 71 63 56 R20 125 118 112 106 100 95 90 85 80 75 71 67 63 60 56 53 R40 Diameter of wire d, mm A o 86 10,0 86 85 10,0 85 84 11,2 10,0 10,0 8,00 6,30 5,60 5,00 84 83 12,5 11,2 11,2 10,0 9,00 9,00 8,00 7,10 7,10 6,30 5,60 83 82 12,5 11,2 10,0 9,00 8,00 7,10 6,30 5,60 82
23、 81 14,0 12,5 11,2 10,0 9,00 8,00 7,10 6,30 81 80 14,0 12,5 11,2 10,0 9,00 8,00 7,10 6,30 80 79 16,0 14,0 12,5 11,2 10,0 9,00 8,00 7,10 79 78 16,0 14,0 12,5 11,2 10,0 9,00 8,00 7,10 78 77 16,0 14,0 12,5 11,2 10,0 9,00 8,00 77 76 18,0 14,0 12,5 11,2 10,0 9,00 76 75 18,0 16,0 14,0 12,5 11,2 8,00 75 74
24、 20,0 18,0 16,0 14,0 10,0 9,00 74 73 20,0 18,0 16,0 12,5 11,2 10,0 9,00 73 72 22,4 20,0 18,0 16,0 14,0 12,5 11,2 10,0 72 71 22,4 20,0 18,0 16,0 14,0 12,5 11,2 10,0 71 70 14,0 12,5 70 69 25,0 22,4 18,0 16,0 11,2 69 68 25,0 22,4 20,0 18,0 16,0 14,0 12,5 11,2 68 67 25,0 22,4 20,0 18,0 16,0 14,0 12,5 67
25、 66 20,0 14,0 66 65 25,0 22,4 18,0 16,0 12,5 65 64 25,0 22,4 20,0 18,0 16,0 14,0 64 63 14,0 63 62 20,0 18,0 16,0 62 61 20,0 61 60 18,0 16,0 60 59 16,0 59ISO 4783-1:1989(E) BSI 07-1999 3Table 1 Aperture size and wire diameter combinations Open area A o % Width of aperture w, mm 50 40 31,5 25 R10 50 4
26、5 40 35,5 31,5 28 25 22,4 R20 50 47,5 45 42,5 40 37,5 35,5 33,5 31,5 30 28 26,5 25 23,6 22,4 21,2 R40 Diameter of wire d, mm A o 84 4,00 3,15 2,80 2,50 2,00 84 83 5,00 4,50 4,00 3,55 3,55 3,15 2,80 2,50 2,24 2,24 83 82 5,00 4,50 4,00 3,55 3,15 2,80 2,50 2,24 82 81 5,60 5,00 4,50 4,00 3,55 3,15 2,80
27、2,50 81 80 5,60 5,00 4,50 4,00 3,55 3,15 2,80 2,50 80 79 6,30 5,60 5,00 4,50 4,00 3,55 3,15 2,80 79 78 6,30 5,60 5,00 4,50 4,00 3,55 3,15 2,80 78 77 7,10 6,30 5,60 5,00 4,50 4,00 3,55 3,15 77 76 7,10 6,30 5,60 5,00 4,50 3,55 3,15 76 75 7,10 6,30 5,60 4,00 3,55 75 74 8,00 5,00 4,50 4,00 74 73 8,00 7,
28、10 6,30 5,60 5,00 4,50 4,00 3,55 73 72 9,00 8,00 7,10 6,30 5,60 5,00 4,50 4,00 72 71 9,00 8,00 7,10 6,30 5,60 5,00 4,50 4,00 71 70 70 69 10,0 9,00 8,00 7,10 6,30 5,60 5,00 4,50 69 68 10,0 9,00 8,00 7,10 6,30 5,60 5,00 4,50 68 67 11,2 10,0 9,00 8,00 7,10 6,30 5,60 5,00 67 66 10,0 66 65 11,2 9,00 8,00
29、 7,10 6,30 5,60 5,00 65 64 12,5 11,2 10,0 9,00 8,00 7,10 6,30 5,60 64 63 12,5 11,2 5,60 63 62 10,0 9,00 8,00 7,10 6,30 62 61 14,0 12,5 11,2 10,0 7,10 6,30 61 60 14,0 12,5 9,00 8,00 60 59 11,2 10,0 9,00 8,00 7,10 6,30 59 58 14,0 12,5 11,2 10,0 7,10 58 57 16,0 9,00 8,00 57 56 12,5 11,2 10,0 9,00 8,00
30、7,10 56 55 12,5 55 54 11,2 10,0 9,00 8,00 54 53 10,0 8,00 53 52 9,00 52 51 10,0 9,00 51ISO4783-1:1989(E) 4 BSI 07-1999Table 1 Aperture size and wire diameter combinations Open area A o % Width of aperture w, mm 20 16 12,5 10 R10 20 18 16 14 12,5 11,2 10 9 R20 20 19 18 17 16 15 14 13,2 12,5 11,8 11,2
31、 10,6 10 9,5 9 8,5 R40 Diameter of wire d, mm A o 84 1,60 1,40 1,00 0,800 84 83 2,00 1,80 1,80 1,60 1,40 1,25 1,25 1,12 1,12 1,00 0,900 0,900 83 82 2,00 1,80 1,60 1,40 1,25 1,12 1,00 0,900 82 81 2,24 2,00 1,80 1,60 1,40 1,25 1,12 1,00 81 80 2,24 2,00 1,80 1,60 1,40 1,25 1,12 1,00 80 79 2,50 2,24 2,0
32、0 1,80 1,60 1,40 1,25 1,12 79 78 2,50 2,24 2,00 1,60 1,40 1,25 1,12 78 77 2,80 2,50 2,24 2,00 1,80 1,60 1,40 1,25 77 76 2,80 2,50 2,24 1,80 1,40 1,25 76 75 3,15 2,80 2,50 2,00 1,80 1,60 1,40 75 74 3,15 2,80 2,24 2,00 1,80 1,60 1,40 74 73 2,50 2,24 2,00 1,80 1,60 73 72 3,55 3,15 2,80 2,50 2,24 2,00 1
33、,80 1,60 72 71 3,55 3,15 2,80 2,50 2,24 2,00 1,80 1,60 71 70 3,55 3,15 70 69 4,00 2,80 2,50 2,24 2,00 1,80 69 68 4,00 3,55 3,15 2,80 2,50 2,24 2,00 1,80 68 67 4,50 4,00 3,55 3,15 2,80 2,50 2,24 2,00 67 66 4,00 2,00 66 65 4,50 3,55 3,15 2,80 2,50 2,24 65 64 5,00 4,50 4,00 3,55 3,15 2,80 2,50 64 63 5,
34、00 4,50 2,80 2,50 2,24 63 62 4,00 3,55 3,15 62 61 5,60 5,00 4,50 3,55 3,15 2,80 2,50 61 60 5,60 5,00 4,00 2,80 2,50 60 59 4,50 4,00 3,55 3,15 59 58 6,30 5,60 5,00 3,55 3,15 2,80 58 57 5,60 4,50 4,00 2,80 57 56 6,30 5,00 4,50 4,00 3,55 3,15 56 55 6,30 5,60 3,15 55 54 7,10 5,00 4,50 4,00 3,55 54 53 7,
35、10 6,30 5,60 5,00 4,00 3,55 3,15 53 52 4,50 52 51 8,00 7,10 6,30 5,60 5,00 4,50 4,00 3,55 51 50 8,00 7,10 6,30 4,00 3,55 50 49 5,60 5,00 4,50 49 48 8,00 7,10 6,30 5,60 5,00 4,50 4,00 48 47 47 46 6,30 5,60 5,00 4,50 4,00 46 45 45 44 6,30 5,60 5,00 4,50 44 43 5,00 4,50 43 42 42 41 5,00 41 40 5,00 40IS
36、O 4783-1:1989(E) BSI 07-1999 5Table 1 Aperture size and wire diameter combinations Open area A o % Width of aperture w, mm 8 6,3 5 4 R10 8 7,1 6,3 5,6 5 4,5 4 3,55 R20 8 7,5 7,1 6,7 6,3 6 5,6 5,3 5 4,75 4,5 4,25 4 3,75 3,55 3,35 R40 Diameter of wire d, mm A o 83 0,800 0,710 0,710 83 82 0,800 0,710 0
37、,630 0,560 82 81 0,900 0,800 0,710 0,630 0,560 81 80 0,900 0,800 0,710 0,630 0,560 0,500 0,450 80 79 1,00 0,900 0,800 0,710 0,630 0,560 0,500 0,450 79 78 1,00 0,900 0,800 0,710 0,630 0,560 0,500 0,450 78 77 1,12 1,00 0,900 0,800 0,710 0,630 0,560 0,500 77 76 1,12 1,00 0,900 0,710 0,630 0,560 0,500 7
38、6 75 1,25 1,12 0,800 0,710 0,630 0,560 75 74 1,00 0,900 0,800 74 73 1,25 1,12 1,00 0,900 0,800 0,710 0,630 0,560 73 72 1,40 1,25 1,12 1,00 0,900 0,800 0,710 0,630 72 71 1,40 1,25 1,12 1,00 0,900 0,800 0,710 0,630 71 70 1,40 1,25 70 69 1,60 1,12 1,00 0,900 0,800 0,710 69 68 1,60 1,40 1,25 1,12 1,00 0
39、,900 0,800 0,710 68 67 1,80 1,60 1,40 1,25 1,12 1,00 0,900 0,800 67 66 1,40 1,00 66 65 1,80 1,60 1,25 1,12 0,900 0,800 65 64 2,00 1,80 1,60 1,40 1,25 1,12 1,00 0,900 64 63 1,40 1,25 1,12 63 62 2,00 1,80 1,60 1,00 0,900 62 61 2,24 2,00 1,40 1,25 1,12 1,00 61 60 1,80 1,60 1,40 1,25 60 59 2,24 2,00 1,8
40、0 1,60 1,12 1,00 59 58 2,50 2,24 2,00 1,40 1,25 1,12 58 57 1,80 1,60 1,40 57 56 2,50 2,24 2,00 1,80 1,60 1,25 1,12 56 55 2,80 2,50 1,40 1,25 55 54 2,24 2,00 1,80 1,60 54 53 2,80 2,50 2,24 2,00 1,80 1,60 1,40 1,25 53 52 52 51 3,15 2,80 2,50 2,24 2,00 1,80 1,60 1,40 51 50 3,15 2,80 2,50 2,00 1,40 50 4
41、9 2,24 1,80 1,60 49 48 3,55 3,15 2,90 2,50 2,24 2,00 1,80 1,60 48 47 47 46 3,55 3,15 2,80 2,50 2,24 2,00 1,80 1,60 46 45 2,24 45 44 4,00 3,55 3,15 2,80 2,50 2,00 1,80 44 43 4,00 3,55 3,15 2,80 2,50 2,24 2,00 43 42 1,80 42 41 4,50 4,00 3,55 3,15 2,80 2,50 2,24 2,00 41 40 2,80 2,50 40 39 4,00 3,55 3,1
42、5 2,24 2,00 39 38 5,00 3,15 2,80 2,50 2,24 38 37 4,00 3,55 3,15 37 36 3,15 2,80 2,50 2,24 36 35 3,15 2,80 35 34 2,50 34 33 2,50 33ISO4783-1:1989(E) 6 BSI 07-1999Table 1 Aperture size and wire diameter combinations Open area A o % Width of aperture w, mm 3,15 2,5 2 1,6 R10 3,15 2,8 2,5 2,24 2 1,8 1,6
43、 1,4 R20 3,15 3 2,8 2,65 2,5 2,36 2,24 2,12 2 1,9 1,8 1,7 1,6 1,5 1,4 1,32 R40 Diameter of wire d, mm A o 78 0,400 0,355 78 77 0,450 0,400 0,355 77 76 0,450 0,355 0,315 0,280 76 75 0,400 0,355 0,315 0,280 75 74 0,500 0,450 0,400 0,315 0,280 74 73 0,500 0,450 0,400 0,355 0,250 0,224 73 72 0,560 0,500
44、 0,450 0,400 0,355 0,315 0,280 0,250 72 71 0,560 0,500 0,450 0,400 0,355 0,315 0,280 0,250 71 70 0,355 0,315 70 69 0,630 0,560 0,500 0,450 0,400 0,280 69 68 0,630 0,560 0,500 0,450 0,400 0,355 0,315 0,280 68 67 0,710 0,630 0,560 0,500 0,450 0,400 0,355 0,315 67 66 0,400 66 65 0,710 0,630 0,560 0,500
45、 0,450 0,355 0,315 65 64 0,800 0,710 0,630 0,560 0,500 0,450 0,400 0,355 64 63 0,560 0,500 0,450 63 62 0,800 0,710 0,630 0,400 0,355 62 61 0,710 0,630 0,560 0,500 0,450 61 60 0,900 0,800 0,560 0,500 0,400 60 59 0,900 0,800 0,710 0,630 0,450 0,400 59 58 1,00 0,710 0,630 0,560 0,500 58 57 0,900 0,800
46、0,560 0,450 57 56 1,00 0,900 0,800 0,710 0,630 0,500 0,450 56 55 0,630 0,560 55 54 1,12 1,00 0,900 0,800 0,710 0,500 54 53 1,12 1,00 0,800 0,710 0,630 0,560 0,500 53 52 0,900 52 51 1,25 1,12 1,00 0,900 0,800 0,710 0,630 0,560 51 50 1,25 0,800 0,710 0,630 50 49 1,12 1,00 0,900 0,560 49 48 1,40 1,25 1
47、,12 1,00 0,900 0,800 0,710 0,630 48 47 47 46 1,40 1,25 1,12 1,00 0,900 0,800 0,710 0,630 46 45 45 44 1,60 1,40 1,25 1,12 1,00 0,900 0,800 0,710 44 43 1,60 1,40 1,25 1,12 1,00 0,900 0,800 43 42 0,710 42 41 1,40 1,25 1,12 1,00 0,900 41 40 1,80 1,60 1,25 1,12 1,00 0,800 40 39 1,80 1,60 1,40 0,900 0,800
48、 39 38 1,40 1,25 1,12 1,00 38 37 2,00 1,80 1,60 0,900 37 36 2,00 1,60 1,40 1,25 1,12 1,00 36 35 1,80 1,40 1,25 1,12 0,900 35 34 2,24 1,80 1,60 1,00 34 33 2,24 2,00 1,40 1,25 1,12 33 32 1,80 1,60 1,40 1,25 1,00 32 31 2,50 2,24 2,00 1,80 1,60 1,12 31 30 1,40 1,25 30 29 2,00 1,80 1,60 1,12 29 28 2,00 1
49、,80 1,60 1,40 1,25 28 27 1,60 1,40 27 26 1,25 26 25 1,60 1,40 25ISO 4783-1:1989(E) BSI 07-1999 7Table 1 Aperture size and wire diameter combinations Open area A o % Width of aperture w, mm 1,25 1 0,8 0,63 R10 1,25 1,12 1 0,9 0,8 0,71 0,63 0,56 R20 1,25 1,18 1,12 1,06 1 0,95 0,9 0,85 0,8 0,75 0,71 0,67 0,63 0,6 0,56 0,53 R40 Diameter of wire d, mm A o 72 0,224 72 71 0,224 0,200 71 70 70 69 0,250 0,224 0,200 69 68 0,250 0,224 0,200 0,180 68 67 0,280 0,250 0,224 0,200 0,180 67 66 0,250 0,200 66 65 0,280 0,224 0,180 0,16
