2.2.1 铸铁阀门
2.2.1 铸铁阀门
铸铁阀门壳体最小壁厚见表9-32。
表9-32 铸钢阀门壳体的壁厚（ASME B 16.1-1998）(mm) | |||||||||||||
公称M寸 | Cl. | 公称尺寸 | CL | ||||||||||
125 | 125 | 250 | 800 | 25 | 125 | 250 | 800 | ||||||
in | mm | in | mm | ||||||||||
I | 25 | — | 7.9 | 11.1 | — | 14 | 350 | 15 | 22.2 | 28.6 | — | ||
r1/4 | 32 | — | 7.9 | 11. I | — | 16 | 400 | 15 | 25.4 | 31.8 | — | ||
1 1/2 | 40 | — | 7.9 | n. 1 | — | 18 | 450 | 16 | 27.0 | 34.9 | 一 | ||
2 | 50 | — | 7.9 | 11.1 | 14 | — | 20 | 500 | 17 | 28.6 | 38. I | — | |
2 1/2 | 65 | — | 7.9 | 12.7 | 16 | 24 | 600 | 19 | 31.8 | 41-3 | 一 | ||
3 | 了5 | — | 9.5 | 14.3 | 16 | 30 | 750 | 22 | 36.5 | 50.8 | — | ||
3 1/2 | 90 | — | II. 1 | 14.3 | 19 | 36 | 900 | 25 | 41.3 | — | — | ||
4 | 100 | II | 12.7 | 15.9 | 22 | 42 | 1050 | 28 | 46.0 | — | — | ||
5 | 125 | II | 12.7 | 17.5 | 29 | 48 | 1200 | 32 | 50.8 | — | — | ||
6 | 150 | 11 | 14.3 | 19.0 | 28 | 54 | 1350 | 34 | 一 | — | — | ||
8 | 200 | 12 | 15.9 | 20.6 | 35 | 60 | 1500 | 35 | — | — | — | ||
10 | 250 | 13 | 19.0 | 23.8 | 41 | 72 | 1800 | 41 | ■ | 〜 | — | ||
12 | 300 | 14 | 20.6 | 25.4 | 44 | ||||||||
