1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-23901-5 SANS 7483:2010Edition 1 and ISO tech. corr. 1ISO 7483:1991Edition 1 and tech. corr. 1SOUTH AFRICAN NATIONAL STANDARD Dimensions of
4、 gaskets for use with flanges to ISO 7005 This national standard is the identical implementation of ISO 7483:1991 and ISO technical corrigendum 1 and is adopted with the permission of the International Organization for Standardization. Published by SABS Standards Division 1 Dr Lategan Road Groenkloo
5、f Private Bag X191 Pretoria 0001Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 7483:2010 Edition 1 and ISO tech. corr. 1 ISO 7483:1991 Edition 1 and tech. corr. 1 Table of changes Change No. Date Scope ISO tech. corr.1 1995 Corrected to change a nominal size and mean pitch diamet
6、er in the table on identification numbers and dimensions of metallic ring-joint gaskets. National foreword This South African standard was approved by National Committee SABS SC 138C, Water and sanitation Equipment and systems Cast and ductile iron pipes and fittings, in accordance with procedures o
7、f the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in March 2010. INTERNATIONAL STANDARD ISO 7483:1991 c=jsj i!SOI TECHNICAL CORRIGENDUM 1 Published 1995-08-15 INTERNATIONAL ORGANKATION FOR STANDARDRATION. MEKCIYHAPOAHAF! OPTAHH3AHR f
8、l0 CTAHAPTH3AHH ORGANISATION INjERNATI0hM.E DE NORMALISATION Dimensions of gaskets for use with flanges to ISO 7005 TECHNICAL CORRIGENDUM 1 Dimensions des joints 5 utiliser avec /es brides de /ISO 7005 RECTIFICATIF TECHNIQUE 1 Technical corrigendum 1 to International Standard ISO 7483:1991 was prepa
9、red by Technical Committee lSO/TC 5, Ferrous metal pipes and metallic fittings, Subcommittee SC 10, Metallic flanges and their joints. Page 24, table 74 In row 3 (Ring number R,13), for PN 50 and PN 110, remplace nominal size DN 32 by DN 20 and for mean pitch diameter P, replace 42,34 mm by 42,86 mm
10、. UDC 620762W621.643.412 Ref. No. ISO 7483:1991/Cor.l:1995(E) Descriptors: pipelines, pipe joints, Seals (stopper b) spiral wound qaskets; . c) metallic ring-joint gaskets; d) non-metallic envelope gaskets; e) corrugated, flat or grooved metallic and filled metallic gaskets. NOTE 1 A future part of
11、IS0 7005 will cover aluminium and aluminium alloy flanges. The relevant nominal size (DN) and nominal press- ure (PN) ranges for each form of gasket are given in sections 2 to 6, as appropriate. It does not cover the materials for gaskets (see the Introduction). 1.2 Normative references The followin
12、g standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publi- cation, the editions indicated were valid. All stan- dards are subject to revision, and parties to agreements based on this International Standard are enc
13、ouraged to investigate the possibility of ap- plying the most recent editions of the standards in- dicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 468:1982, Surface roughness - Parameters, their values and general rules for specifying requirem
14、ents. IS0 6708:1980, Pipe components - Definition of nominal size. IS0 7005-1:199V, Metallic flanges - Part I: Steel f7anges. IS0 7005-2:1988, Metallic flanges - Part 2: Cast iron f7anges. IS0 7005-3:1988, Metallic flanges - Part 3: Copper alloy and composite f7anges. IS0 7268:1983, Pipe components
15、- Definition of nominal pressure. ASTM A 182/A 182M - 87a, Forged or rolled alloy- steel pipe flanges, forged fittings, and valves and parts for high-temperature service. 1.3 Definitions For the purposes of this International Standard, the definitions of nominal size (DN) given in IS0 6708 and nomin
16、al pressure (PN) given in IS0 7268 apply. 1.4 Gasket forms The forms of gaskets specified in this International Standard are described and illustrated in table 1. 1) To be published. SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SAB
17、S .IS0 7483:1991(E) Table 1 - Gasket forms See section Gasket Ring joint (octagonal) Ring joint (oval) 2 Envelope See section Gasket Sketches Sketches Rubber, without fabric 4 Rubber, with fabric insertion Rubber, with fabric insertion/wire reinforcement Plastic material Expanded graphite, with or w
18、ithout insertion Compressed fibre, with a suit- able binder for the operating conditions (see note 1) Corrugated metal with filler or corrugated metal jacketed with filler Vegetable fibre Corrugated metal Cork based Grooved metal with or without a layer of additional gasket material Spiral wound, wi
19、th centring ring and inner ring 6 Spiral wound, with centring ring 3 Flat metal jacketed with filler Spiral wound sealing element with inner ring Spiral wound sealing element only Solid flat metal WARNING - Materials containing asbestos may be subject to legislation that requires precautions to be t
20、aken when handling them to ensure that they do not constitute a hazard to health. NOTES 3 The types of flange facings are specified in IS0 70051, !SO 70052 and IS0 70053, and, for information, the facings are shown in annex A. 2 Information which should be supplied by the purchaser when ordering gas
21、kets is listed in annex B. SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0 7483:1991(E) Section 2: Non-metallic flat gaskets 2.1 Gasket designs Gaskets shall be manufactured from either a) single flat sheet, or b) laminated
22、ply, in a single material or combination of materials. NOTE 2 Examples of typical materials are given in table 1. WARNING - Compressed fibre gaskets may contain asbestos. Materials containing asbestos may be subject to legislation that requires precautions to be taken when handling them to ensure th
23、at they do not constitute a hazard to health. 2.2 Gasket types Gaskets shall be one of the following types: a) full face gasket for type A (flat face) or type B (raised face) flange facings see figures 1 and 5a)l . 9 b) IBC (inside bolt circle) gasket for type A (flat face) or type B (raised face) f
24、lange facings see figures 2 and 5b); c) tongue and groove gasket for type C/D flange facings see figures 3 and 5b); d) spigot and recess gasket for type E/F flange facings see figures 4 and 5b); e) segmental gasket (see note 3 below). NOTE 3 Gaskets of the types described in a), b), c) and d) and ha
25、ving an outside diameter greater than 1500 mm may be available only in segmental form. The purchaser should consult the gasket manufacturer or supplier as to the forms available for the larger sizes of gasket. Figure 1 - Type A flange facings with gasket NOTE - For PN 20, PN tends to touch the bolt.
26、 50, PN 110 and PN 150 the Figure 2 - Type B flange facings with IBC gasket full face IBC gasket ex- SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0 7483:1991 (E) 2.3 Range of gasket sizes The ranges of sizes of gaskets to s
27、uit the nominal sizes (DN) and nominal pressures (PN) of flanges are given in table2 for the different gasket types. 2.4 Dimensions Figure 3 - Type CID flange facings with tongue and groove gasket 2.4.1 Thickness Gasket thicknesses for non-metallic flat gasket ma- terials given in table 1 shall be s
28、elected from table 3. 2.4.2 Diameters Figure 4 - Type E/F flange facings with spigot and recess gasket The dimensions for diameters shall be as given in tables 4 to 11, as appropriate; the plan dimensions are shown in figure5. 4 SANS 7483:2010This s tandard may only be used and printed by approved s
29、ubscription and freemailing clients of the SABS .IS0 7483:1991(E) Table 2 - Range of gasket sizes Flange nominal pressure PN 23 4 6 5 10 6 16 7 20 8 25 9 40 10 50 11 110 11 150 11 For dimensions refer to table number Full face Gasket type = IBC Range of nominal sizes ON from 10 600 10 600 10 2 000 1
30、0 2 000 15 600 10 2 000 10 600 to from - to 10 4 000 10 3 600 10 3 000 10 2 000 15 1500 10 2 000 10 600 15 1500 15 1500 15 1200 from 10 10 10 10 15 15 15 to 1000 1000 1000 600 600 600 600 from 10 10 10 10 15 15 15 to 1000 1000 1000 600 600 600 600 Table 3 - Gasket thickness Dimensions in millimetres
31、 Thickness Gasket material 0,25 0,4 0,5 0,8 1 1,5 2 3 5 6,4 Rubber, without fabric x x x x Rubber, with fabric insertion X x x -. Rubber, with fabric insertion/wire reinforcement x x -.- Plastic x x x x Expanded graphite, without insertion x x x x Expanded graphite, with insertion x x x Compressed f
32、ibre, with binder Vegetable fibre Cork based I SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0 7483:1991(E) Outside diameter Bolt circle diameter F=-i 1 : hV I I I- Diameter of holes I Inside diameter NOTE - This figure illu
33、strates the arrangement but not necessarily the correct number of bolt holes. Refer to the relevant table for the actual number of bolt holes. Outside diameter Inside diameter El- a) Full face gasket b) IBC gasket, tongue and groove gasket, and spigot and recess gasket Figure 5 - Gasket plan dimensi
34、ons SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0 7483:1991(E) Table 4 - Dimensions of gaskets for PN 23 flanges Dimensions in millimetres Nominal size DN IBC gasket outside diameter Gasket inside diameter Full face gasket
35、 dimensions 10 15 25 32 65 100 125 Use PN 6 dimensions Use PN 6 dimensions Use PN 6 dimensions 150 200 250 300 350 400 450 500 600 700 800 900 1000 1 290 I 1200 I 1220 I 1400 I 1420 1490 I 1600 I 1620 1700 I 1800 I 1820 1900 I 2000 I 2020 2100 I 2200 i 2220 2307 I 2400 I 2420 2507 I 2600 I 2620 2707
36、 I 2800 I 2820 2924 I 3000 I 3020 3124 I 3 200 I 3220 3324 I 3400 I 3420 3524 I 3600 I 3620 3734 I 3800 I 3820 3931 SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 7483:2010This s tandard may only be used and printed by app
37、roved subscription and freemailing clients of the SABS .SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0 7483:1991(E) Table 7 - Dimensions of gaskets for PN 16 flanges Dimensions in millimetres - Full face gasket Tongue and g
38、roove Nominal size DN Gas ketl) IBC gasket inside outside diameter diameter Spigot and recess outside diameter Outside diameter / if?: 1 di:izer / di!zyer Inside diameter Outside diameter 32) “i,di- Use PN 40 di- mensions Use PN 40 dimensions I 162 I 220 1 8 I l8 I 180 Use PN 40 di- mensions 192 I 2
39、50 I 8 I 18 I 210 Use PN 40 dimensions 218 285 8 22 240 273 340 12 22 295 329 405 1 12 1 26 1 355 300 I 324 384 I 460 I 12 I 26 I 410 350 I 356 444 I 520 1 16 1 26 1 470 495 I- 580 I 16 I 30 I 525 400 407 450 458 500 508 600 610 700 712 800 813 900 915 1000 1016 1200 I 220 555 I 640 I 20 I 30 I 585
40、617 I 715 I 20 I 33 I 650 734 840 I 20 I 36 I 770 804 910 I 24 I 36 I 840 911 I 1025 I 24 I 39 I 950 Use PN 25 di- mensions Use PN 25 dimensions 1011 I 1125 I 28 I 39 I 1050 1 128 I 1255 I 28 I 42 I 1 170 1342 r 1485 I 32 I 48 I 1390 1542 1 1685 I 36 I 48 I 1590 1765 1930 40 55 1820 1965 2 130 44 55
41、 2 020 2 170 2 345 48 60 2 230 1) Except tongue and groove gaskets. 2) This gasket is also used for flanges having 4 bolt holes. SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0 7483:1991(E) Table 8 - Dimensions of gaskets fo
42、r PN 20 flanges Dimensions in millimetres Nominal size ON Gasket inside diameter IBC gasket outside diameter 15 22 46,5 20 27 56 25 34 65,5 32 43 75 40 49 84,5 50 61 102,5 65 73 121,5 80 89 134,5 100 115 1?2,5 125 141 196 150 169 221,5 200 220 2?8,5 250 273 338 300 324 408 350 356 449 400 407 513 45
43、0 458 548 500 508 605 600 610 ?16,5 650 660 773 700 711 830 750 762 881 800 813 939 850 864 990 900 914 1047 950 965 1111 1000 1016 1161 1050 1067 1218 1 100 1118 1275 1150 1168 1326 1200 1219 1383 1250 1270 1435 1300 1321 1492 1350 1372 1549 1400 1422 1606 1450 1473 1663 1500 1524 1714 Outside diam
44、eter 90 100 110 120 130 150 180 190 230 255 280 345 405 485 535 600 635 700 815 Full face gasket Number of Hole holes diameter Bolt circle diameter 4 16 60,5 4 16 70 4 16 ?9,5 4 16 89 4 16 98,5 4 20 120,5 4 20 139,5 4 20 152,5 8 20 190,5 8 22 216 8 22 241,5 8 22 298,5 12 26 362 12 26 432 12 29,5 476
45、 16 16 20 20 29,5 32,5 32,5 35,5 540 578 635 ?49,5 1 11 SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0
46、7483:1991(E) Table 10 - Dimensions of gaskets for PN 40 flanges Dimensions in millimetres Gasket) 1 Full face gasket IBC gasket _-_ - - IO 18 46 90 4 14 60 - 22 - t -p. .- j- - t - -_ 27 61 105 75 34 I 71 I ,_141l- 77 I 127 I 185 I 8 I 18 I 145 Nominal size ON 15 30 - 25 32 -_- 40 - 50 65 - 80 - -_1
47、- 100 89 I 142 I 200 I 8 I 18 I 160 125 150 - 200 250 300 - 350 - 400 450 500 600 610 I 747 I 890 I 20 I 48 I 795 1) Except tongue and groove gaskets. Spigot and I Tongue and groove recess * - outside Inside diameter diameter 34 24 -_- -_- -_.-. 39 29 -_-_ ._ _- 50 36 I.-.-_-_._-_- 57 43 -_. .-_- -_
48、 - 65 51 a.- - _ -e-v 75 61 P.-P. .- 87 73 -T-e-. e-v- 109 95 -.-m-w - 120 106 v-v-_-.- -w-e- 149 129 -._.-_ ._I.- 175 155 - - 203 183 - -_. _-_ 259 239 -_l_-_l_-I_ 312 292 - - 363 343 -p-.-.- 421 39s ._-_-_I_-.-_ 473 447 -.- 523 - 497 -. 575 549 -.pe- . 675 649 Outside diameter 34 39 -_- 50 -_I_ 57
49、 65 - 75 87 109 120 149 175 203 259 312 363 421 473 523 575 675 1 13 SANS 7483:2010This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .IS0 7483:1991 (E) Table 11 - Dimensions of gaskets for PN 50, PN 110 and PN 150 flanges Dimensions in miliimetres Nominal size DN 15 20 25 32 40 50 65 80 100 125 150 200 250 3
