无标题文档
ANSI/API法兰标准
150磅级凸面法兰密封尺寸
|
公称通径(DN)
|
d
|
D
|
b
|
D1
|
D2
|
螺栓数量(n)
|
螺栓孔径(Φ)
|
螺栓直径(in)
|
|
mm
|
in
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
|
15
|
1/2
|
1/2
|
13
|
31/2
|
89
|
-
|
-
|
23/8
|
60.5
|
13/8
|
35
|
4
|
5/8
|
15
|
W1/2
|
|
20
|
3/4
|
3/4
|
19
|
37/8
|
98
|
-
|
-
|
23/4
|
70
|
111/16
|
43
|
4
|
5/8
|
15
|
W1/2
|
|
25
|
1
|
1
|
25
|
41/4
|
108
|
7/16
|
12
|
31/8
|
79.5
|
2
|
51
|
4
|
5/8
|
15
|
W1/2
|
|
32
|
11/4
|
11/4
|
32
|
45/8
|
117
|
1/2
|
13
|
31/2
|
89
|
21/2
|
64
|
4
|
5/8
|
15
|
W1/2
|
|
40
|
11/2
|
11/2
|
38
|
5
|
127
|
9/16
|
15
|
37/8
|
98.5
|
27/8
|
73
|
4
|
5/8
|
15
|
W1/2
|
|
50
|
2
|
2
|
51
|
6
|
152
|
5/8
|
16
|
43/4
|
120.5
|
35/8
|
92
|
4
|
3/4
|
19
|
W5/8
|
|
65
|
21/2
|
21/2
|
64
|
7
|
178
|
11/16
|
18
|
51/2
|
139.5
|
41/8
|
105
|
4
|
3/4
|
19
|
W5/8
|
|
80
|
3
|
3
|
76
|
71/2
|
190
|
3/4
|
19
|
6
|
152.5
|
5
|
127
|
4
|
3/4
|
19
|
W5/8
|
|
100
|
4
|
4
|
102
|
9
|
229
|
15/16
|
24
|
71/2
|
190.5
|
63/16
|
157
|
8
|
3/4
|
19
|
W5/8
|
|
125
|
5
|
5
|
127
|
10
|
254
|
15/16
|
24
|
81/2
|
216
|
75/16
|
186
|
8
|
7/8
|
22
|
W3/4
|
|
150
|
6
|
6
|
152
|
11
|
279
|
1
|
26
|
91/2
|
241.5
|
81/2
|
216
|
8
|
7/8
|
22
|
W3/4
|
|
200
|
8
|
8
|
203
|
131/2
|
243
|
11/8
|
29
|
113/4
|
298.5
|
105/8
|
270
|
8
|
7/8
|
22
|
W3/4
|
|
250
|
10
|
10
|
254
|
16
|
406
|
113/16
|
31
|
141/4
|
362
|
123/4
|
324
|
12
|
1
|
25
|
W7/8
|
|
300
|
12
|
12
|
305
|
19
|
483
|
11/4
|
32
|
17
|
432
|
15
|
381
|
12
|
1
|
25
|
W7/8
|
|
350
|
14
|
131/4
|
337
|
21
|
533
|
13/8
|
35
|
183/4
|
476
|
161/4
|
413
|
12
|
11/8
|
29
|
W1
|
|
400
|
16
|
151/4
|
387
|
231/2
|
597
|
17/16
|
37
|
211/4
|
540
|
181/2
|
470
|
16
|
11/8
|
29
|
W1
|
|
450
|
18
|
171/4
|
438
|
25
|
635
|
19/16
|
40
|
223/4
|
578
|
21
|
543
|
16
|
11/4
|
32
|
W11/8
|
|
500
|
20
|
191/4
|
489
|
271/2
|
699
|
111/16
|
43
|
25
|
635
|
23
|
584
|
20
|
11/4
|
32
|
W11/4
|
|
600
|
24
|
231/4
|
591
|
32
|
813
|
17/8
|
48
|
291/2
|
749.5
|
271/4
|
692
|
20
|
13/8
|
35
|
W11/4
|
300磅级凸面法兰密封尺寸
|
公称通径(DN/NPS)
|
d
|
D
|
b
|
D1
|
D2
|
螺栓数量(n)
|
螺栓孔径(Φ)
|
螺栓直径(in)
|
|
mm
|
in
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
|
15
|
1/2
|
1/2
|
13
|
33/4
|
95
|
9/16
|
15
|
25/8
|
66.5
|
13/8
|
35
|
4
|
5/8
|
15
|
W1/2
|
|
20
|
3/4
|
3/4
|
19
|
45/8
|
117
|
5/8
|
16
|
31/4
|
82.5
|
111/16
|
43
|
4
|
3/4
|
19
|
W5/8
|
|
25
|
1
|
1
|
25
|
47/8
|
124
|
11/16
|
18
|
31/2
|
89
|
2
|
51
|
4
|
3/4
|
19
|
W5/8
|
|
32
|
11/4
|
11/4
|
32
|
51/4
|
133
|
3/4
|
19
|
37/8
|
98.5
|
21/2
|
64
|
4
|
3/4
|
19
|
W5/8
|
|
40
|
11/2
|
11/2
|
38
|
61/8
|
156
|
13/16
|
21
|
41/2
|
114.5
|
27/8
|
73
|
4
|
7/8
|
22
|
W3/4
|
|
50
|
2
|
2
|
51
|
61/2
|
165
|
7/8
|
23
|
5
|
127
|
35/8
|
92
|
8
|
3/4
|
19
|
W5/8
|
|
65
|
21/2
|
21/2
|
64
|
71/2
|
190
|
1
|
26
|
57/8
|
149
|
41/8
|
105
|
8
|
7/8
|
22
|
W3/4
|
|
80
|
3
|
3
|
76
|
81/4
|
210
|
11/8
|
29
|
65/8
|
168.5
|
5
|
127
|
8
|
7/8
|
22
|
W3/4
|
|
100
|
4
|
4
|
102
|
10
|
254
|
11/4
|
32
|
77/8
|
200
|
63/16
|
157
|
8
|
7/8
|
22
|
W3/4
|
|
125
|
5
|
5
|
127
|
11
|
279
|
13/8
|
35
|
91/4
|
235
|
75/16
|
186
|
8
|
7/8
|
22
|
W3/4
|
|
150
|
6
|
6
|
152
|
121/2
|
318
|
17/16
|
37
|
105/8
|
270
|
81/2
|
216
|
12
|
7/8
|
22
|
W3/4
|
|
200
|
8
|
8
|
203
|
15
|
381
|
15/8
|
42
|
13
|
330
|
105/8
|
270
|
12
|
1
|
25
|
W7/8
|
|
250
|
10
|
10
|
254
|
171/2
|
445
|
17/8
|
48
|
151/4
|
387.5
|
123/4
|
324
|
16
|
11/8
|
29
|
W1
|
|
300
|
12
|
12
|
305
|
201/2
|
521
|
2
|
51
|
173/4
|
451
|
15
|
381
|
16
|
11/4
|
32
|
W11/8
|
|
350
|
14
|
131/4
|
337
|
23
|
584
|
21/8
|
54
|
201/4
|
514.5
|
161/4
|
413
|
20
|
11/4
|
32
|
W11/5
|
|
400
|
16
|
151/4
|
387
|
251/2
|
648
|
21/4
|
58
|
221/2
|
571.5
|
181/2
|
470
|
20
|
13/8
|
35
|
W11/4
|
|
450
|
18
|
17
|
432
|
28
|
711
|
23/8
|
61
|
243/4
|
628.5
|
21
|
543
|
24
|
13/8
|
35
|
W11/4
|
|
500
|
20
|
19
|
483
|
301/2
|
775
|
21/2
|
64
|
27
|
686
|
23
|
584
|
24
|
13/8
|
35
|
W11/4
|
|
600
|
24
|
23
|
584
|
36
|
914
|
23/4
|
70
|
32
|
813
|
271/4
|
692
|
24
|
15/8
|
41
|
W11/2
|
600磅级凸面法兰密封尺寸
|
公称通径(DN/NPS)
|
d
|
D
|
b
|
D1
|
D2
|
螺栓数量(n)
|
螺栓孔径(Φ)
|
螺栓直径(in)
|
|
mm
|
in
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
|
15
|
1/2
|
1/2
|
13
|
33/4
|
95
|
9/16
|
15
|
25/8
|
66.5
|
13/8
|
35
|
4
|
5/8
|
15
|
W1/2
|
|
20
|
3/4
|
3/4
|
19
|
45/8
|
118
|
5/8
|
16
|
31/4
|
82.5
|
111/16
|
43
|
4
|
3/4
|
19
|
W5/8
|
|
25
|
1
|
1
|
25
|
47/8
|
124
|
11/16
|
18
|
31/2
|
89
|
2
|
51
|
4
|
3/4
|
19
|
W5/8
|
|
32
|
11/4
|
11/4
|
32
|
51/4
|
133
|
13/16
|
21
|
37/8
|
98.5
|
21/2
|
64
|
4
|
3/4
|
19
|
W5/8
|
|
40
|
11/2
|
11/2
|
38
|
61/8
|
156
|
7/8
|
23
|
41/2
|
114.5
|
27/8
|
73
|
4
|
7/8
|
22
|
W3/4
|
|
50
|
2
|
2
|
51
|
61/2
|
165
|
1
|
26
|
5
|
127
|
35/8
|
92
|
8
|
3/4
|
19
|
W5/8
|
|
65
|
21/2
|
21/2
|
64
|
71/2
|
190
|
11/8
|
29
|
57/8
|
149
|
41/8
|
105
|
8
|
7/8
|
22
|
W3/4
|
|
80
|
3
|
3
|
76
|
81/4
|
210
|
11/4
|
32
|
65/8
|
168
|
5
|
127
|
8
|
7/8
|
22
|
W3/4
|
|
100
|
4
|
4
|
102
|
103/4
|
273
|
11/2
|
38
|
81/2
|
216
|
63/16
|
157
|
8
|
1
|
25
|
W7/8
|
|
125
|
5
|
5
|
127
|
13
|
330
|
13/4
|
45
|
101/2
|
266.5
|
75/16
|
186
|
8
|
11/8
|
29
|
W1
|
|
150
|
6
|
6
|
152
|
14
|
356
|
17/8
|
48
|
111/2
|
292
|
81/2
|
216
|
12
|
11/8
|
29
|
W1
|
|
200
|
8
|
77/8
|
200
|
161/2
|
419
|
13/16
|
56
|
133/4
|
349
|
105/8
|
270
|
12
|
11/4
|
32
|
W11/8
|
|
250
|
10
|
93/4
|
248
|
20
|
508
|
21/2
|
64
|
17
|
432
|
123/4
|
324
|
16
|
13/8
|
35
|
W11/4
|
|
300
|
12
|
113/4
|
298
|
22
|
559
|
25/8
|
67
|
191/4
|
489
|
15
|
381
|
20
|
13/8
|
35
|
W11/4
|
|
350
|
14
|
127/8
|
327
|
233/4
|
603
|
23/4
|
70
|
203/4
|
527
|
161/4
|
413
|
20
|
11/4
|
38
|
W13/8
|
|
400
|
16
|
143/4
|
375
|
27
|
686
|
3
|
77
|
233/4
|
603
|
181/2
|
470
|
20
|
15/8
|
41
|
W11/2
|
|
450
|
18
|
151/2
|
419
|
291/4
|
743
|
31/4
|
83
|
253/4
|
654
|
21
|
533
|
20
|
13/4
|
44
|
W15/8
|
|
500
|
20
|
181/4
|
464
|
32
|
813
|
31/2
|
89
|
281/2
|
724
|
23
|
584
|
24
|
13/4
|
44
|
W15/8
|
|
600
|
24
|
22
|
559
|
37
|
940
|
4
|
102
|
33
|
838
|
271/4
|
692
|
24
|
2
|
52
|
W17/8
|
900磅级凸面法兰密封尺寸
|
公称通径(DN/NPS)
|
P
|
E
|
F
|
R
|
K
|
N
|
螺栓直径(in)
|
|
mm
|
in
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
|
80
|
3
|
61/8
|
123.82
|
5/16
|
7.92
|
15/32
|
11.91
|
1/32
|
0.8
|
61/8
|
156
|
5/32
|
4
|
R11
|
|
100
|
4
|
71/8
|
149.22
|
5/16
|
7.92
|
15/32
|
11.91
|
1/32
|
0.8
|
71/8
|
181
|
5/32
|
4
|
37
|
|
125
|
5
|
81/2
|
180.98
|
5/16
|
7.92
|
15/32
|
11.91
|
1/32
|
0.8
|
81/2
|
216
|
5/32
|
4
|
41
|
|
150
|
6
|
91/2
|
211.12
|
5/16
|
7.92
|
15/32
|
11.91
|
1/32
|
0.8
|
91/2
|
241
|
5/32
|
4
|
45
|
|
200
|
8
|
121/8
|
269.88
|
5/16
|
7.92
|
15/32
|
11.91
|
1/32
|
0.8
|
121/8
|
308
|
5/32
|
4
|
49
|
|
250
|
10
|
141/4
|
323.85
|
5/16
|
7.92
|
15/32
|
11.91
|
1/32
|
0.8
|
141/4
|
362
|
5/32
|
4
|
53
|
|
300
|
12
|
161/2
|
381.00
|
5/16
|
7.92
|
15/32
|
11.91
|
1/32
|
0.8
|
161/2
|
419
|
5/32
|
4
|
57
|
|
350
|
14
|
183/8
|
419.00
|
7/16
|
11.13
|
21/32
|
16.66
|
1/16
|
1.5
|
183/8
|
467
|
5/32
|
4
|
62
|
|
400
|
16
|
205/8
|
469.90
|
7/16
|
11.13
|
21/32
|
16.66
|
1/16
|
1.5
|
205/8
|
524
|
5/32
|
4
|
66
|
|
450
|
18
|
233/8
|
533.40
|
1/2
|
12.70
|
25/32
|
19.84
|
1/16
|
1.5
|
233/8
|
594
|
3/16
|
5
|
70
|
|
500
|
20
|
251/2
|
584.20
|
1/2
|
12.70
|
25/32
|
19.84
|
1/16
|
1.5
|
251/2
|
684
|
3/16
|
5
|
74
|
|
600
|
24
|
303/8
|
692.15
|
5/8
|
15.88
|
11/16
|
26.97
|
3/32
|
2.4
|
303/8
|
772
|
7/32
|
6
|
78
|
1500磅级凸面法兰密封尺寸
|
公称通径(DN/NPS)
|
d
|
D
|
b
|
D1
|
D2
|
螺栓数量(n)
|
螺栓孔径(Φ)
|
螺栓直径(in)
|
|
mm
|
in
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
in
|
mm
|
|
15
|
1/2
|
1/2
|
13
|
43/4
|
121
|
7/8
|
22.5
|
31/4
|
82.5
|
13/8
|
35
|
4
|
7/8
|
23
|
W3/4
|
|
20
|
3/4
|
11/16
|
17
|
51/8
|
130
|
1
|
25.5
|
31/2
|
88.9
|
111/16
|
43
|
4
|
7/8
|
23
|
W3/4
|
|
25
|
1
|
7/8
|
22
|
57/8
|
149
|
11/8
|
29.0
|
4
|
101.6
|
2
|
51
|
4
|
1
|
26
|
W7/8
|
|
32
|
11/4
|
11/8
|
28
|
61/4
|
159
|
11/8
|
29.0
|
43/8
|
111.1
|
21/2
|
64
|
4
|
1
|
26
|
W7/8
|
|
40
|
11/2
|
13/8
|
35
|
7
|
178
|
11/4
|
32.0
|
47/8
|
123.8
|
27/8
|
73
|
4
|
11/8
|
29
|
W1
|
|
50
|
2
|
17/8
|
47
|
81/2
|
216
|
11/2
|
38.5
|
61/2
|
165.1
|
35/8
|
92
|
8
|
1
|
26
|
W7/8
|
|
65
|
21/2
|
21/4
|
57
|
95/8
|
244
|
15/8
|
41.5
|
71/2
|
190.5
|
41/8
|
105
|
8
|
11/8
|
29
|
W1
|
| |