BS 417-2 – Specification for galvanized low carbon steel cisterns, cistern lids, tanks and cylinders-Metric units
Capacities are from 18 L to 3364 L for cisterns, 95 L to 115 L for tanks and 73 L to 441 L for cylinders. Takes account of the New Model Water Byelaws requirements and reflects changes to other specifications in this area.