BS 21:1985 Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions)
- Abbreviation
- BS 21:1985
- Valid from
- 30/09/1985
- Information provider
- Standards New Zealand,
- Author
- British Standards Institution
- Information type
- British Standard,
- Format
- PDF, HARD COPY,
Description
Range of threads from 1/16 to 6, together with thread forms, dimensions and tolerances, designations; includes appendices for recommended gauging systems and methods of use of gauges. Requirements for jointing threads for taper external threads, for assembly with either tapes or parallel internal threads and for longscrew threads for longscrews specified in BS 1387.
This resource is cited by:
BS 21:1985 Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions)
This document is CITED BY:
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AS/NZS 3500.4:2015
BS 21:1985 is cited by AS/NZS 3500.4:2015 Plumbing and drainage - Heated water services
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BS 10:2009
BS 21:1985 is cited by BS 10:2009 Specification for flanges and bolting for pipes, valves and fittings
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BS 143 and 1256:2000
BS 21:1985 is cited by BS 143 and 1256:2000 Threaded pipe fittings in malleable cast iron and cast copper alloy
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NZS 4602:1988
BS 21:1985 is cited by NZS 4602:1988 Low pressure copper thermal storage electric water heaters - SPONSORED
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NZS 4606.1:1989
BS 21:1985 is cited by NZS 4606.1:1989 Storage water heaters - General requirements - SPONSORED
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NZS/BS 1387:1985
BS 21:1985 is cited by NZS/BS 1387:1985 Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or screwing to BS 21 pipe threads