BS 10-2009 PUBLISHING AND COPYRIGHT INFORMATION HE BSI COPYRIGHT NOTICE DISPLAYED IN THIS DOCUMENT INDICATES WHEN THE DOCUMENT WAS LAST ISSUED.1.pdf
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1、Specification for flanges and bolting for pipes, valves and fittings BS 10:2009 raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI British Standards BS 10:2009BRITISH STANDARD Publishing and copyright information The BSI copyright notice displayed
2、in this document indicates when the document was last issued. BSI 2009 ISBN 978 0 580 61296 1 ICS 23.040.60 The following BSI references relate to the work on this standard: Committee reference PSE/15 Draft for comment 08/30174939 DC Publication history First published as BS 10-1:1947, BS 10-2:1926,
3、 BS 10-3:1929, BS 10-4:1931 and BS 10-5:1932 First published as BS 10, December 1962 Second (present) edition, April 2009 Amendments issued since publication Date Text affected BRITISH STANDARD BSI 2009 i BS 10:2009 Contents Foreword iii 1 Scope 1 2 Normative references 1 3 Design temperature and pr
4、essure 2 4 Designation 2 5 Flange dimensions 2 6 Flange materials 3 7 Attachment of flanges 4 8 Hydraulic testing of flange joints 4 9 Certification 4 10 Low temperature flanges and bolting 6 Annexes Annex A (informative) Information to be supplied by the purchaser 33 Annex B (informative) Minimum r
5、equirements of steel to be used for flanges in Table A to Table H 34 Annex C (normative) Bolts and nuts 37 Bibliography 41 List of figures Figure 1 Shaped stud bolt (see C.4) 25 Figure 2 Application diagram for bolts and stud-bolts: carbon and flanges 26 Figure 3 Steel or copper alloy plain flange 2
6、8 Figure 4 Steel boss flange 29 Figure 5 Integrally forged or cast steel flange for valves only 30 Figure 6 Steel welding neck flange (see Table D to Table T) 31 Figure 7 Integrally cast iron flanges (see Table F and Table H) 32 List of tables Table 1 Flange materials minimum requirements 3 Table 2
7、Temperature/pressure ratings for carbon steel flanges see Annex B 5 Table A Dimensions of plain, boss, integrally cast or forged flanges (for ratings see Table 2 and Annex B) 7 Table D Dimensions of plain, boss, integrally cast or forged and welding neck flanges (for ratings see Table 2 and Annex B)
8、 9 Table E Dimensions of plain, boss, integrally cast or forged, and welding neck flanges (for ratings see Table 2 and Annex B) 12 Table F Dimensions of plain, boss, integrally cast or forged, and welding neck flanges (for ratings see Table 2 and Annex B) 14 Table H Dimensions of plain, boss, integr
9、ally cast or forged, and welding neck flanges (for ratings see Table 2 and Annex B) 16 Table J Dimensions of plain, boss, integrally cast or forged, and welding neck flanges (for ratings see Table 2 and Annex B) 18 Table K Dimensions of plain, integrally cast or forged, and welding neck flanges (for
10、 ratings see Table 2 and Annex B) 19 Table R Dimensions of plain, integrally cast or forged, and welding neck flanges (for ratings see Table 2 and Annex B) 21 Table S Dimensions of plain, integrally cast or forged, and welding neck flanges (for ratings see Table 2 and Annex B) 22 Table T Dimensions
11、of plain, integrally cast or forged, and welding neck flanges (for ratings see Table 2 and Annex B) 24 Table B.1 Grey cast iron properties 34 Table B.2 Temperature/pressure ratings for grey cast iron and malleable cast iron flanges see Clauses 5g) and 5h) 35 BS 10:2009 ii BSI 2009 BRITISH STANDARD T
12、able B.3 Temperature/pressure ratings for copper alloy flanges sizes 12 in to 3 in (inclusive) see Clause 5j) 35 Table B.4 Temperature/pressure ratings for copper alloy flanges sizes over 3 in see Clause 5f) 36 Table C.1 Application of bolts and stud-bolts see Figure 2a) and Figure 2b) 37 Table C.2
13、Materials, dimensions and finish of bolts, stud-bolts and nuts 39 Summary of pages This document comprises a front cover, an inside front cover, pages i to iv, pages 1 to 42, an inside back cover and a back cover. BRITISH STANDARD BSI 2009 iii BS 10:2009 Foreword Publishing information This British
14、Standard is published by BSI and came into effect on 30 April 2009. It was prepared by Technical Committee PSE/15, Flanges. A list of organizations represented on this committee can be obtained on request to its secretary. Supersession This British Standard supersedes BS 10:1962, which is withdrawn.
15、 Information about this document It should be noted that, apart from cast iron flanges, the hydraulic test pressure applied to a flange joint is limited to one-and-a-half times the highest rated pressure of the flange (see Clause 8). This is a full revision of the standard, and introduces the follow
16、ing principal changes: Materials have been updated; The standard has been re-arranged to reflect the most common used materials and types in service; Review of tables: BS 10 flanges have been in use since 1904 and have been developed continuously to meet increasing pressure and temperature requireme
17、nts. At the time of this revision, flange joints with carbon steel pipe flanges for high temperatures and pressures to the British Standard tables have been in service throughout the world for periods equal to the economic life of primary plant. The tables have therefore remained in the standard for
18、 guidance. NOTE When it is required to convert the figures in this standard from imperial units into metric units it is recommended that the conversion factors and the table of conversion contained in BS 350, “Conversion factors and tables”, be used. Attention is also drawn to BS 2856, “Precise conv
19、ersion of inch and metric sizes on engineering drawings”. (Use 1 in = 25 mm when converting to metric dimensions.) Presentational conventions The provisions of this standard are presented in roman (i.e. upright) type. Its requirements are expressed in sentences in which the principal auxiliary verb
20、is “shall”. Commentary, explanation and general informative material is presented in smaller italic type, and does not constitute a normative element. Contractual and legal considerations This publication does not purport to include all the necessary provisions of a contract. Users are responsible f
21、or its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. BS 10:2009 iv BSI 2009 BRITISH STANDARD This page deliberately left blank BRITISH STANDARD BSI 2009 1 BS 10:2009 1 Scope This British Standard specifies requirements for a series of carbon s
22、teel, alloy steel, cast iron and copper alloy flanges, and also appropriate bolts and nuts, for use with pipes, valves and fittings containing steam, oil, compressed air or water. NOTE 1 The use of flanges complying with this standard for temperatures below 17.8 C (0 F) should be agreed between purc
23、haser and manufacturer. These flanges may also be used on pipes, valves and fittings carrying other fluids for which the same requirements for safety and joint tightness are appropriate. The applicability relationship between temperature and pressure for the above materials is specified for each tab
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