Specifies requirements for copper cylinders of 3 grades and 7 sizes for the storage of hot water. The minimum storage capacities are from 86 L to 196 L. The cylinders are of the type in which the bottom is domed inwards.Cross References:BS 417:Part 1BS 417:Part 2BS 476:Part 4BS 476:Part 11BS 699BS 864:Part 2BS 1475BS 1565:Part 1BS 1565:Part 2BS 1566:Part 1BS 1845BS 2777BS 2779BS 2782:Part 1:Method 140DBS 2870BS 2871:Part 1BS 2901:Part 3BS 3198BS 3456:Section 2.21BS 4213BS 4735BS 5546BS 5615