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
|
95
|
66.5
|
16
|
4
|
M14
|
35
|
2
|
14.5 |
52
|
38
|
-
|
16.0
|
20
|
26.9
|
120
|
82.5
|
18
|
4
|
M16
|
43
|
2
|
16.0 |
57
|
48
|
-
|
21.0
|
25
|
33.7
|
125
|
89.0
|
18
|
4
|
M16
|
51
|
2
|
17.5 |
62
|
54
|
-
|
26.5
|
32
|
42.4
|
135
|
98.5
|
18
|
4
|
M16
|
63.5
|
2
|
19.5 |
65
|
64
|
-
|
35.0
|
40
|
48.3
|
155
|
114.5
|
22
|
4
|
M20
|
73
|
2
|
21.0 |
68
|
70
|
-
|
41.0
|
50
|
60.3
|
165
|
127.0
|
18
|
8
|
M16
|
92
|
2
|
22.5 |
70
|
84
|
-
|
52.5
|
65
|
73.0
|
190
|
149.0
|
22
|
8
|
M20
|
105
|
2
|
25.5 |
76
|
100
|
-
|
62.5
|
80
|
88.9
|
210
|
168.5
|
22
|
8
|
M20
|
127
|
2
|
29.0 |
79
|
118
|
-
|
78.0
|
100
|
114.3
|
255
|
200.0
|
22
|
8
|
M20
|
157.5
|
2
|
32.0 |
86
|
146
|
-
|
102.5
|
125
|
141.3
|
280
|
235.0
|
22
|
8
|
M20
|
186
|
2
|
35.0 |
98
|
178
|
-
|
128.0
|
150
|
168.3
|
320
|
270.0
|
22
|
12
|
M20
|
216
|
2
|
37.0 |
98
|
206
|
-
|
154.0
|
200
|
219.1
|
380
|
330.0
|
26
|
12
|
M24
|
270
|
2
|
41.5 |
111
|
260
|
-
|
202.5
|
250
|
273.0
|
445
|
387.5
|
29.5
|
16
|
M27
|
324
|
2
|
48.0 |
117
|
321
|
-
|
254.5
|
300
|
323.9
|
520
|
451.0
|
32.5
|
16
|
M30
|
381
|
2
|
51.0 |
130
|
375
|
10
|
305.0
|
350
|
355.6
|
585
|
514.5
|
32.5
|
20
|
M30
|
413
|
2
|
54.0 |
143
|
426
|
10
|
由用户
规定 |
400
|
406.4
|
650
|
571.5
|
35.5
|
20
|
M33
|
470
|
2
|
57.5 |
146
|
483
|
10
|
|
450
|
457
|
710
|
628.5
|
35.5
|
24
|
M33
|
533.5
|
2
|
60.5 |
159
|
533
|
10
|
|
500
|
508
|
775
|
686.0
|
35.5
|
24
|
M33
|
584.5
|
2
|
63.5 |
162
|
587
|
10
|
|
600
|
610
|
915
|
813.0
|
42
|
24
|
M39
|
692.5
|
2
|
70.0 |
168
|
702
|
10
|
法兰图纸