Specification Class 3000 Nom Pipe Size (Min) A B1 B D K (Min) L 1/4 21.8 13.7 14.61 14.10 10.01 8.48 9.7 554 3/8 25.9 17.1 18.03 17.53 13.28 11.76 9.7 60.0 1/2 31.2 21.3 22.23 21.72 16.56 15.04 9.7 68.0 3/4 37.1 26.7 27.56 27.05 21.69 20.17 12.7 75.9 1 45.5 33.4 34.29 33.78 27.41 25.88 12.7 86.0 1-1/4 54.9 42.2 43.05 42.55 35.81 34.29 12.7 95.1 1-1/2 61.5 48.3 49.15 48.64 41.66 40.13 12.7 100.5 2 75.2 60.3 61.62 61.11 53.26 51.74 15.7 112.1
