ANSI 900LB WN 高颈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 900LB WN 高颈法兰中，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。
|
压力 |
尺寸 |
外径 |
内径 |
盘高 |
大头径 |
小头径 |
壁厚 |
台径 |
台高 |
总高 |
中心距 |
孔数 |
孔径 |
RF单重 |
FF单重 |
|
ANSI900# |
1/2 |
120.6 |
15.7 |
22.3 |
38.1 |
21.3 |
5.6 |
35 |
6.4 |
60.45 |
82.6 |
4 |
22.3 |
1.88 |
2.33 |
|
3/4 |
130 |
20.8 |
25.4 |
44 |
26.7 |
5.9 |
42.9 |
6.4 |
69.85 |
88.9 |
4 |
22.3 |
2.55 |
3.06 |
|
|
1 |
149.3 |
26.7 |
28.4 |
52.3 |
33.5 |
6.8 |
50.8 |
6.4 |
73.15 |
101.6 |
4 |
25.4 |
3.71 |
4.39 |
|
|
1-1/4 |
158.7 |
35.1 |
28.4 |
63.5 |
42.2 |
7.1 |
63.5 |
6.4 |
73.15 |
111.3 |
4 |
25.4 |
4.29 |
5.02 |
|
|
1-1/2 |
177.8 |
40.9 |
31.7 |
69.85 |
48.3 |
7.4 |
73.15 |
6.4 |
82.5 |
124 |
4 |
28.4 |
5.94 |
6.85 |
|
|
2 |
215.9 |
52.6 |
38.1 |
104.6 |
60.45 |
7.9 |
91.9 |
6.4 |
101.6 |
165.1 |
8 |
25.4 |
10.9 |
12.21 |
|
|
2-1/2 |
244.3 |
62.7 |
41.1 |
123.9 |
73.15 |
10.5 |
104.6 |
6.4 |
104.6 |
190.5 |
8 |
28.4 |
15.04 |
16.71 |
|
|
3 |
241.3 |
78 |
38.1 |
127 |
88.9 |
10.9 |
127 |
6.4 |
101.6 |
190.5 |
8 |
25.4 |
13.62 |
15.08 |
|
|
4 |
292.1 |
102.4 |
44.4 |
158.7 |
114.3 |
11.9 |
157.2 |
6.4 |
114.3 |
234.9 |
8 |
31.7 |
22.37 |
24.45 |
|
|
5 |
349.2 |
128.3 |
50.8 |
190.5 |
141.2 |
12.9 |
185.7 |
6.4 |
127 |
279.4 |
8 |
35 |
35.89 |
38.96 |
|
|
6 |
381 |
154.2 |
55.6 |
234.9 |
168.4 |
14.2 |
215.9 |
6.4 |
139.7 |
317.5 |
12 |
31.7 |
47.17 |
50.58 |
|
|
8 |
469.9 |
202.7 |
63.5 |
298.4 |
219.2 |
16.5 |
269.7 |
6.4 |
162 |
393.7 |
12 |
38.1 |
80.57 |
85.73 |
|
|
10 |
546.1 |
254.5 |
69.85 |
368.3 |
273 |
18.5 |
323.8 |
6.4 |
184.1 |
469.9 |
16 |
38.1 |
119.01 |
125.72 |
|
|
12 |
609.6 |
304.8 |
79.25 |
419.1 |
323.8 |
19 |
381 |
6.4 |
200.1 |
533.4 |
20 |
38.1 |
157.76 |
165.55 |
|
|
14 |
641.3 |
336.6 |
85.8 |
450.8 |
355.6 |
19 |
412.7 |
6.4 |
212.8 |
558.8 |
20 |
41.1 |
180.71 |
188.89 |
|
|
16 |
704.8 |
387.4 |
88.9 |
508 |
406.4 |
19 |
469.9 |
6.4 |
215.9 |
615.9 |
20 |
44.4 |
217.51 |
226.85 |
|
|
18 |
787.4 |
438.2 |
101.6 |
565.1 |
457.2 |
19 |
533.4 |
6.4 |
228.6 |
685.8 |
20 |
50.8 |
293.85 |
305.06 |
|
|
20 |
857.2 |
489 |
107.9 |
622.3 |
508 |
19 |
584.2 |
6.4 |
247.6 |
749.3 |
20 |
53.8 |
364.68 |
377.93 |
|
|
24 |
1041.4 |
590.6 |
139.7 |
749.3 |
609.6 |
19 |
692.1 |
6.4 |
292.1 |
901.7 |
20 |
66.6 |
669.04 |
689.45 |
