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BS 10:2009:2012 Edition

$189.07

Specification for flanges and bolting for pipes, valves and fittings

Published By Publication Date Number of Pages
BSI 2012 50
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This British Standard specifies requirements for a series of carbon steel, 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 purchaser 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 table of flanges in Table 2 and Annex B.

NOTE 2 The types of gasket, and gasket materials, and the surface finish of the jointing face are matters for agreement between the purchaser and the manufacturer. When a raised jointing face is specified the outside diameter of the gasket should extend at least to the outside diameter of the raised face. For steel flanges when a raised jointing face is not specified, the gasket should be within the bolt holes.

PDF Catalog

PDF Pages PDF Title
5 Foreword
7 1 Scope
2 Normative references
8 3 Design temperature and pressure
4 Designation
5 Flange dimensions
9 6 Flange materials
10 7 Attachment of flanges
8 Hydraulic testing of flange joints
9 Certification
12 10 Low temperature flanges and bolting
39 Annex A (informative) Information to be supplied by the purchaser
40 Annex B (informative) Minimum requirements of steel to be used for flanges in Table A to Table H
43 Annex C (normative) Bolts and nuts
47 Bibliography
BS 10:2009
$189.07