BSI - BS 143 & 1256
Specification for Malleable Cast Iron and Cast Copper Alloy Threaded Pipe Fittings
|Publication Date:||30 May 1986|
|ICS Code (Metal fittings):||23.040.40|
Requirements for design and performance of pipe fittings for designs to: (a) BS 143 having taper external and taper internal threads; and (b) BS 1256 having taper external and parallel internal threads.