Specification: ASME B16.11 ASME B1.20.1 (NPT) Nom.Pipe Size A B C D E F G H 6 1/8" 10 6 7 10 35 6 8 1/4'' 11 6 10 14 41 16 3 6 10 3/8'' 13 8 11 18 41 18 4 8 15 1/2" 14 10 14 21 44 22 5 8 20 3/4" 16 16 27 44 27 6 10 25 1" 19 13 21 33 51 36 6 10 32 1-1/4" 21 14 24 43 51 46 14 40 1-1/2" 21 16 28 48 51 50 8 16 50 2" 22 18 32 60 64 65 9 18 65 2-1/2" 27 19 36 73 70 75 10 19 80 3'' 28 21 41 89 70 90 10 21 100 4'' 32 25 65 114 76 115 13 25