The range of malleable iron and bronze taper thread pipe fittings are available in sizes from 1/8" to 6" PN25 rated.
Taper threads provide full engagement the whole thread length, with no need for hemp filler, allowing faster installation and lower costs.
Malleable Iron Pipe Fittings BS EN 10242 (formerly BS 143)
Galvanised or Black Finish, Screwed Ends BSP Taper Threads to BS21 and ISO 7 Full Size range to 6" (150 mm)
To see a Metric/BSP equivalence table click this Link Metric BSP Table