Malleable cast iron (whiteheart process) and cast copper alloy pipe fittings for steam, air, water, gas and oil. Screwed b.s.p. taper male thread and parallel female thread..
STANDARD published on 27.7.1945
Designation standards: BS 1256:1945
Note: WITHDRAWN
Publication date standards: 27.7.1945
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS