ANSI / ASME B16.11 Threaded Class 3000 Coupling Dimensions

ASME B16.11 Class 3000 Threaded Coupling
Nominal
Pipe Size 		End to End Couplings, W Outside Diameter, D Minimum End Wall Thickness, G Minimum Length of Thread
B L2
1/8 32 16 4.8 6.4 6.7
1/4 35 19 4.8 8.1 10.2
3/8 38 22 4.8 9.1 10.4
1/2 48 28 6.4 10.9 13.6
3/4 51 35 6.4 12.7 13.9
1 60 44 9.7 14.7 17.3
1 1/4 67 57 9.7 17.0 18.0
1 1/2 79 64 11.2 17.8 18.4
2 86 76 12.7 19.0 19.2
2 1/2 92 92 15.7 23.6 28.9
3 108 108 19.0 25.9 30.5
4 121 140 22.4 27.7 33.0

All dimensions are in millimeters.