BS 5254 76th Edition, January 30, 1976
Specification for Polypropylene Waste Pipe and Fittings (External Diameter 34.6 mm, 41.0 mm and 54.1 mm)
Includes all amendments and changes through Reaffirmation Notice , December 1, 2013
Additional Comments: INCLUDES AMENDMENT 2
Published By:British Standards Institution (BSI)
Dimensional and performance requirements for pipes of slightly smaller bore than those specified in BS 5255.