公称
通径 DN |
法兰焊端
外径 (钢管外径) A |
连接尺寸
|
密封面
|
法兰
厚度 C |
法兰
高度 H |
法兰颈
|
法兰
内径 |
||||||
法兰
外径 D |
螺栓孔
中心圆 直径 K |
螺栓
孔径 L |
螺栓
|
d
|
f
|
||||||||
数量
n |
螺纹
规格 |
||||||||||||
N
|
R
|
||||||||||||
15
|
21.3
|
90
|
60.5
|
16
|
4
|
M14
|
35
|
2
|
11.5
|
48
|
30
|
-
|
16.0
|
20
|
26.9
|
100
|
70
|
16
|
4
|
M14
|
43
|
2
|
13
|
52
|
38
|
-
|
21.0
|
25
|
33.7
|
110
|
79.5
|
16
|
4
|
M14
|
51
|
2
|
14.5
|
56
|
49
|
-
|
26.5
|
32
|
42.4
|
120
|
89
|
16
|
4
|
M14
|
63.5
|
2
|
16
|
57
|
59
|
-
|
35.0
|
40
|
48.3
|
130
|
98.5
|
16
|
4
|
M14
|
73
|
2
|
17.5
|
62
|
65
|
-
|
41.0
|
50
|
60.3
|
150
|
120.5
|
18
|
4
|
M16
|
92
|
2
|
19.5
|
64
|
78
|
-
|
52.5
|
65
|
73.0
|
180
|
139.5
|
18
|
4
|
M16
|
105
|
2
|
22.5
|
70
|
90
|
-
|
62.5
|
80
|
88.9
|
190
|
152.5
|
18
|
4
|
M16
|
127
|
2
|
24
|
70
|
108
|
-
|
78.0
|
100
|
114.3
|
230
|
190.5
|
18
|
8
|
M16
|
157.5
|
2
|
24
|
76
|
135
|
-
|
102.5
|
125
|
141.3
|
255
|
216
|
22
|
8
|
M20
|
186
|
2
|
24
|
89
|
164
|
-
|
128.0
|
150
|
168.3
|
280
|
241.5
|
22
|
8
|
M20
|
216
|
2
|
25.5
|
89
|
192
|
-
|
154.0
|
200
|
219.1
|
345
|
298.5
|
22
|
8
|
M20
|
270
|
2
|
29
|
102
|
246
|
-
|
202.5
|
250
|
273.0
|
405
|
362
|
26
|
12
|
M24
|
324
|
2
|
30.5
|
102
|
305
|
-
|
254.5
|
300
|
323.9
|
485
|
432
|
26
|
12
|
M24
|
381
|
2
|
32
|
114
|
365
|
10
|
305.0
|
350
|
355.6
|
535
|
476
|
29.5
|
12
|
M27
|
413
|
2
|
35
|
127
|
400
|
10
|
由用户
规定 |
400
|
406.4
|
600
|
540
|
29.5
|
16
|
M27
|
470
|
2
|
37
|
127
|
457
|
10
|
|
450
|
457
|
635
|
578
|
32.5
|
16
|
M30
|
533.5
|
2
|
40
|
140
|
505
|
10
|
|
500
|
508
|
700
|
635
|
32.5
|
20
|
M30
|
584.5
|
2
|
43
|
145
|
559
|
10
|
|
600
|
610
|
815
|
749.5
|
35.5
|
20
|
M33
|
692.5
|
2
|
48
|
152
|
664
|
10
|
法兰图纸