公称通径
NPS
1/4″ 8 19 12.7 11.2 9.7 14 1/4″ 18 13.2-0.2 11.4+0.2 10.2 14 1/4 19 13.15
3/8 10 19 16.1 14.5 10.1 15 3/8 18 16.6-0.2 14.8+0.2 10.4 15 3/8 19 16.66
1/2 15 14 20.3 18.8 13.2 18 1/2 14 20.7-0.2 18.5+0.2 13.6 18 1/2 14 20.95
3/4 20 14 25.7 24.2 14.5 19 3/4 14 26-0.3 23.7+0.2 13.7 19 3/4 14 26.44
1 25 11 32.4 30.4 16.8 24 1 11.5 32.6-0.3 29.7+0.2 17.4 23 1 11 33.25
1-1/4 32 11 41 39 19.1 25