Threaded pipe fittings in malleable cast iron and cast copper alloy not-for-sale hexagons or octagons

hexagons or octagons

NOTE: Because of the large variety of products and potential uses within this field of application

System requirements in accordance with BS EN 12828 have been added

What is BS 4258-8- Calcium content of phosphoric acid for industrial use about

Threaded pipe fittings in malleable cast iron and cast copper alloy not-for-sale hexagons or octagons1 Scope This British Standard specifies requirements for design and performance of threaded pipe fittings in malleable cast iron and cast copper alloy for two basic designs: a) BS 143, with taper external and taper internal threads; b) BS 1256, with taper external and parallel internal threads. This British Standard applies to fittings in the following categories: 1) category 1: BS 143 design and BS 1256 design, in a limited range of malleable cast