成量NPT-60°美标圆锥管螺纹环规 执行标准： ANSI/ASME B1.20.1-2013

1017362502

1/8 NPT

27

0.941

5.002

4.102

+0.025
0

10.251

9.489

8.938

+0.015
0

30

1017362503

1/4 NPT

18

1.411

7.186

5.786

+0.025
0

13.63

12.487

11.573

+0.015
0

38

1017362504

3/8 NPT

18

1.411

7.496

6.096

+0.025
0

17.069

15.926

15.012

+0.015
0

38

1017362505

1/2 NPT

14

1.814

9.928

8.128

+0.025
0

21.242

19.772

18.564

+0.025
0

46