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BS 21:1973

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by

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

Withdrawn date

07-02-2022

Superseded by

BS 21:1985

Published date

31-12-1973

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Committee
ISE/104
DevelopmentNote
Supersedes BS 21(1957). (06/2004)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
UNE-EN ISO 23275-1:2009 Identical
UNE-CEN/TR 16798-2:2019 Identical

BS 759-1:1984 Valves, gauges and other safety fittings for application to boilers and to piping installations for and in connection with boilers Specification for valves, mountings and fittings
BS 6447:1984 Specification for absolute and gauge pressure transmitters with electrical outputs
BS 2051-2:1984 Tube and pipe fittings for engineering purposes Specification for olive type copper alloy compression tube fittings
BS 2051-1:1973 Tube and pipe fittings for engineering purposes Copper and copper alloys capillary and compression tube fittings for engineering purposes
BS 2879:1980 Specification for draining taps (screw-down pattern)
BS MA 26:1973 Specification for suction strainers
BS 3766:1979 Specification for coolant pumps for machine tools
BS 6174:1982 Specification for differential pressure transmitters with electrical outputs
BS 5809:1980 Specification for safety and efficiency of the gas heating equipment of commercial dishwashing machines

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