Rosca NPT - Cônica

Rosca FPP A B C E
1/8 NPT 27 10.4 10 9 9.0
1/4 NPT 18 13.9 14.2 12.5 11.7
3/8 NPT 18 17.3 14.2 13.5 15.2
½ NPT 14 21.6 19 16.5 18.8
3/4 NPT 14 27.0 19 17.5 24.0
1 NPT 11 ½ 33.7 24 20.5 30.0
1 1/4 NPT 11 ½ 42.4 25 21 38.8
1 ½ NPT 11 ½ 48.5 25.5 21 45.0
2 NPT 11 ½ 60.7 26 22 57.0
2 ½ NPT 8 73.5 38.5 30 68.0
3 NPT 8 89.4 40 32 84.0