ANSI 300LB SO 滑套法兰属于美标法兰标准体系。是美标法兰(又称ANSI法兰)的其中一种表现形式，是设备或管道上常用的法兰。以下是ANSI 300LB SO 滑套法兰中，相关压力下，各部位的全部尺寸及图示，以方便广大法兰从业者查询和参考。
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ANSI 300LB SO 滑套法兰 |
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压力 |
尺寸 |
外径 |
中心距 |
孔径 |
孔数 |
内径 |
盘高 |
凸台径 |
总高 |
水线径 |
水线高 |
RF单重 |
FF单重 |
|
ANSI 300LB SO 滑套 |
1/2 |
95.2 |
66.5 |
15.7 |
4 |
22.4 |
14.2 |
38.1 |
22.4 |
35.1 |
1.6 |
0.64 |
0.71 |
|
3/4 |
117.3 |
82.6 |
19.1 |
4 |
27.7 |
15.7 |
47.7 |
25.4 |
42.9 |
1.6 |
1.1 |
1.21 |
|
|
1 |
123.9 |
88.9 |
19.1 |
4 |
34.5 |
17.5 |
53.8 |
26.9 |
50.8 |
1.6 |
1.36 |
1.47 |
|
|
1-1/4 |
133.3 |
98.6 |
19.1 |
4 |
43.2 |
19 |
63.5 |
26.9 |
63.5 |
1.6 |
1.68 |
1.8 |
|
|
1-1/2 |
155.4 |
114.3 |
22.4 |
4 |
49.5 |
20.6 |
69.85 |
30.2 |
73.15 |
1.6 |
2.48 |
2.65 |
|
|
2 |
165.1 |
127 |
19.1 |
8 |
62 |
22.3 |
84 |
33.2 |
91.9 |
1.6 |
2.88 |
3.04 |
|
|
2-1/2 |
190.5 |
149.4 |
22.4 |
8 |
74.7 |
25.4 |
100 |
38.1 |
104.6 |
1.6 |
4.32 |
4.53 |
|
|
3 |
209.5 |
168.1 |
22.4 |
8 |
90.7 |
28.4 |
117.3 |
42.9 |
127 |
1.6 |
5.81 |
6.04 |
|
|
3-1/2 |
228.6 |
184.2 |
22.4 |
8 |
103.4 |
30.2 |
133.3 |
44.4 |
139.7 |
1.6 |
7.33 |
7.62 |
|
|
4 |
254 |
200.1 |
22.4 |
8 |
116.1 |
31.7 |
146 |
47.7 |
157.2 |
1.6 |
9.62 |
9.97 |
|
|
5 |
279.4 |
234.9 |
22.4 |
8 |
143.8 |
35 |
177.8 |
50.8 |
185.7 |
1.6 |
12.2 |
12.59 |
|
|
6 |
317.5 |
269.7 |
22.4 |
12 |
170.7 |
36.5 |
206.2 |
52.3 |
215.9 |
1.6 |
15.61 |
16.09 |
|
|
8 |
381 |
330.2 |
25.4 |
12 |
221.5 |
41.1 |
260.3 |
61.9 |
269.7 |
1.6 |
24.17 |
24.81 |
|
|
10 |
444.5 |
387.3 |
28.4 |
16 |
276.3 |
47.7 |
320.5 |
66.55 |
323.9 |
1.6 |
34.16 |
34.95 |
|
|
12 |
520.7 |
450.8 |
31.7 |
16 |
327.1 |
50.8 |
374.6 |
73.15 |
381 |
1.6 |
49.92 |
51 |
|
|
14 |
584.2 |
514.4 |
31.7 |
20 |
359.1 |
53.8 |
425.4 |
76.2 |
412.8 |
1.6 |
69.51 |
71 |
|
|
16 |
647.7 |
571.5 |
35 |
20 |
410.5 |
57.15 |
482.6 |
82.5 |
469.9 |
1.6 |
88.22 |
89.94 |
|
|
18 |
711.2 |
628.7 |
35 |
24 |
461.8 |
60.45 |
533.4 |
88.9 |
533.4 |
1.6 |
108.76 |
110.66 |
|
|
20 |
774.7 |
685.8 |
35 |
24 |
513.1 |
63.5 |
587.2 |
95.2 |
584.2 |
1.6 |
134.15 |
136.42 |
|
|
24 |
914.4 |
812.8 |
41 |
24 |
616 |
69.85 |
701.5 |
106.4 |
692.2 |
1.6 |
201.7 |
204.83 |
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