Nominal size L H H1
8 1/4 19 6 17 14
10 3/8 22 8 19 17
15 1/2 25 8 23 22
20 3/4 28 9 29 27
25 1 30 9 35 35
32 1 1/4 34 12 46 46
40 1 1/2 37 14 50 50
50 2 41 16 63 63