BS 21:1985 - Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions)

BS 21:1985

Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions)

Status : Superseded, Withdrawn   Published : September 1985 Replaced By : BS EN 10226-1:2004, BS EN 10226-2:2005, BS EN 10226-3:2005

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Range of threads from $9A 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.




Standard NumberBS 21:1985
TitleSpecification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions)
StatusSuperseded, Withdrawn
Publication Date30 September 1985
Confirm Date01 March 2013
Withdrawn Date30 April 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS EN 10226-1:2004, BS EN 10226-2:2005, BS EN 10226-3:2005
Amended ByAMD 6633
DescriptorsParallel threads, Threads, Pipe couplings, Screwed fittings, External threads, Taper threads, Thread forms, Designations, Thread gauges, Gas-powered devices, Pressure pipes, Dimensions, Dimensional tolerances, Pipes, Internal threads, Longscrews, Pipe fittings
ICS21.040.10
Title in FrenchFiletages de tuyauterie pour raccordement dans le filet (dimensions métriques) - spécifications
Title in GermanMetrische Rohrgewinde fuer Rohre und Formstuecke fuer im Gewinde dichtende Verbindungen
CommitteeISE/110
ISBN0 580 14556 5
PublisherBSI
FormatA4
DeliveryYes
Pages22
File Size1.2 MB
Price£130.00


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