BS 21:1973

Name: BS 21:1973
Brand: BSI

Withdrawn

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

Withdrawn date

02-07-2022

Published date

12-31-1973

Publisher

British Standards Institution

Committee	ISE/104
DevelopmentNote	Supersedes BS 21(1957). (06/2004)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Withdrawn
SupersededBy	BS 21:1985
Supersedes	BS 21:1957

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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