重型美标闸阀,壁厚达标吗
发布时间:2015-07-17 09:32:19 浏览:
上一篇文章《轻型美标闸阀质量如何》,小编已经提到过,轻型美标闸阀壁厚是不达标的,那重型美标闸阀,壁厚能达标吗?
美标闸阀的设计中发现,阀体壁厚的设计,除了考虑阀体强度之外,还应考虑阀体的刚度,即应将阀体体腔的变形(指在1.6MPa介质压力的作用下)控制在0.001DN范围之内,否则,阀体会因受力变形而无法达到密封。
美标阀门标准壁厚如下:
美标重型闸阀,完全是按照美标ANSIB16.5和API600生产的,所以得出以下结论:美标重型闸阀,壁厚是达标的!
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下一篇:什么原因引起法兰球阀阀体开裂
美标闸阀的设计中发现,阀体壁厚的设计,除了考虑阀体强度之外,还应考虑阀体的刚度,即应将阀体体腔的变形(指在1.6MPa介质压力的作用下)控制在0.001DN范围之内,否则,阀体会因受力变形而无法达到密封。
美标阀门标准壁厚如下:
公称通径 | 外径 | 公称壁厚 T | |||||||||||||||||
NPS | DN | D | SCH5s | SCH10s | SCH10 | SCH20 | SHC30 | SCH40s | STD | SCH40 | SCH60 | SCH80s | XS | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 | XXS |
1/8 | 6 | 10.3 | - | 1.24 | 1.24 | - | 1.45 | 1.73 | 1.73 | 1.73 | - | 2.41 | 2.41 | 2.41 | - | - | - | - | - |
1/4 | 8 | 13.7 | - | 1.65 | 1.65 | - | 1.85 | 2.24 | 2.24 | 2.24 | - | 3.02 | 3.02 | 3.02 | - | - | - | - | - |
3/8 | 10 | 17.1 | - | 1.65 | 1.65 | - | 1.85 | 2.31 | 2.31 | 2.31 | - | 3.2 | 3.2 | 3.2 | - | - | - | - | - |
1/2 | 15 | 21.3 | 1.65 | 2.11 | 2.11 | - | 2.41 | 2.77 | 2.77 | 2.77 | - | 3.73 | 3.73 | 3.73 | - | - | - | 4.78 | 7.47 |
3/4 | 20 | 26.7 | 1.65 | 2.11 | 2.11 | - | 2.41 | 2.87 | 2.87 | 2.87 | - | 3.91 | 3.91 | 3.91 | - | - | - | 5.56 | 7.82 |
1 | 25 | 33.4 | 1.65 | 2.77 | 2.77 | - | 2.9 | 3.38 | 3.38 | 3.38 | - | 4.55 | 4.55 | 4.55 | - | - | - | 6.35 | 9.09 |
1 1/4 | 32 | 42.2 | 1.65 | 2.77 | 2.77 | - | 2.97 | 3.56 | 3.56 | 3.56 | - | 4.85 | 4.85 | 4.85 | - | - | - | 6.35 | 9.7 |
1 1/2 | 40 | 48.3 | 1.65 | 2.77 | 2.77 | - | 3.18 | 3.68 | 3.68 | 3.68 | - | 5.08 | 5.08 | 5.08 | - | - | - | 7.14 | 10.15 |
2 | 50 | 60.3 | 1.65 | 2.77 | 2.77 | - | 3.18 | 3.91 | 3.91 | 3.91 | - | 5.54 | 5.54 | 5.54 | - | - | - | 8.74 | 11.07 |
2 1/2 | 65 | 73 | 2.11 | 3.05 | 3.05 | - | 4.78 | 5.16 | 5.16 | 5.16 | - | 7.01 | 7.01 | 7.01 | - | - | - | 9.53 | 14.02 |
3 | 80 | 88.9 | 2.11 | 3.05 | 3.05 | - | 4.78 | 5.49 | 5.49 | 5.49 | - | 7.62 | 7.62 | 7.62 | - | - | - | 11.13 | 15.24 |
3 1/2 | 90 | 101.6 | 2.11 | 3.05 | 3.05 | - | 4.78 | 5.74 | 5.74 | 5.74 | - | 8.08 | 8.08 | 8.08 | - | - | - | - | - |
4 | 100 | 114.3 | 2.11 | 3.05 | 3.05 | - | 4.78 | 6.02 | 6.02 | 6.02 | - | 8.56 | 8.56 | 8.56 | - | 11.13 | - | 13.49 | 17.12 |
5 | 125 | 141.3 | 2.77 | 3.4 | 3.4 | - | - | 6.55 | 6.55 | 6.55 | - | 9.53 | 9.53 | 9.53 | - | 12.7 | - | 15.88 | 19.05 |
6 | 150 | 168.3 | 2.77 | 3.4 | 3.4 | - | - | 7.11 | 7.11 | 7.11 | - | 10.97 | 10.97 | 10.97 | - | 14.27 | - | 18.26 | 21.95 |
8 | 200 | 219.1 | 2.77 | 3.76 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
10 | 250 | 273.1 | 3.4 | 4.19 | 4.19 | 6.35 | 7.8 | 9.27 | 9.27 | 9.27 | 12.7 | 12.7 | 12.7 | 15.09 | 18.26 | 21.44 | 25.4 | 28.58 | 25.4 |
12 | 300 | 323.9 | 3.96 | 4.57 | 4.57 | 6.35 | 8.38 | 9.53 | 9.53 | 10.31 | 14.27 | 12.7 | 12.7 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 | 25.4 |
14 | 350 | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | - | 9.53 | 11.13 | 15.09 | - | 12.7 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | - |
16 | 400 | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | - | 9.53 | 12.7 | 16.66 | - | 12.7 | 21.44 | 26.19 | 30.96 | 36.53 | 40.49 | - |
18 | 450 | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | - | 9.53 | 14.27 | 19.05 | - | 12.7 | 23.83 | 29.36 | 34.96 | 39.67 | 45.24 | - |
公称通径 | 外径 | 公称壁厚 T | |||||||||||||||||
NPS | DN | D | SCH5s | SCH10s | SCH10 | SCH20 | SHC30 | SCH40s | STD | SCH40 | SCH60 | SCH80s | XS | SCH80 | SCH100 | SCH120 | SCH104 | SCH160 | XXS |
20 | 500 | 508 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | - | 9.53 | 15.09 | 20.62 | - | 12.7 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 | - |
22 | 550 | 558.8 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | - | 9.53 | - | 22.23 | - | 12.7 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | - |
24 | 600 | 609.6 | 5.54 | 6.35 | 6.35 | 9.53 | 14.27 | - | 9.53 | 17.48 | 24.61 | - | 12.7 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | - |
26 | 650 | 660.4 | - | - | 7.92 | 12.7 | - | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
28 | 700 | 711.2 | - | - | 7.92 | 12.7 | 15.88 | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
30 | 750 | 762 | 6.35 | 7.92 | 7.92 | 12.7 | 15.88 | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
32 | 800 | 812.8 | - | - | 7.92 | 12.7 | 15.88 | - | 9.53 | 17.48 | - | - | 12.7 | - | - | - | - | - | - |
34 | 850 | 863.6 | - | - | 7.92 | 12.7 | 15.88 | - | 9.53 | 17.48 | - | - | 12.7 | - | - | - | - | - | - |
36 | 900 | 914.4 | - | - | 7.92 | 12.7 | 15.88 | - | 9.53 | 17.48 | - | - | 12.7 | - | - | - | - | - | - |
38 | 950 | 965.2 | - | - | - | - | - | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
40 | 1000 | 1016 | - | - | - | - | - | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
42 | 1050 | 1067 | - | - | - | - | - | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
44 | 1100 | 1118 | - | - | - | - | - | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
46 | 1150 | 1168 | - | - | - | - | - | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
48 | 1200 | 1219 | - | - | - | - | - | - | 9.53 | - | - | - | 12.7 | - | - | - | - | - | - |
52 | 1300 | 1321 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
56 | 1400 | 1422 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
60 | 1500 | 1524 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
64 | 1600 | 1626 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
68 | 1700 | 1727 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
72 | 1800 | 1829 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
76 | 1900 | 1930 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
80 | 2000 | 2032 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
注1:SCH5s、10s、40s、80s属于ANSI B36.19。 注2:STD为标准壁厚管,XS为加厚管,XXS为特加厚管。 注3:美标法兰ASME B16.5 150LB和300LB NPS 1/2~12法兰焊端壁厚采用的为标准壁厚管STD,NPS>12时,壁厚由客户规定。 |
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