Dimensions and weights of bends, elbows, tees, angle branches, crosses, condensate receivers, hatchboxes, plugs and caps for water, gas, sewage, etc. Grades A, B, C and D; internal diameters (3 in to 48 in.). Quality of metal, mode of casting, test requirements, coating, testing facilities.Cross References:BS 10BS 18BS 78:Part 1BS 1211BS 1452BS 2035Partially replaced by BS 4772:1988.Incorporates the following:PD 5731 published 15 January 1966