公称
通径 DN |
法兰焊端
外径 (钢管外径) |
连接尺寸
|
密封面
|
法兰
厚度 C |
法兰
高度 H |
法兰颈
|
||||||||||
法兰
外径 D |
螺栓孔
中心圆 直径 K |
螺栓
孔径 L |
螺栓
|
d
|
f
|
N
|
S
|
H1
|
R
|
|||||||
数量
n |
螺纹
规格 |
|||||||||||||||
系列Ⅰ
|
系列Ⅱ
|
系列Ⅰ
|
系列Ⅱ
|
|||||||||||||
10
|
17.2
|
14
|
90
|
60
|
14
|
4
|
M12
|
41
|
2
|
14
|
35
|
28
|
2.3
|
6
|
3
|
|
15
|
21.3
|
18
|
95
|
65
|
14
|
4
|
M12
|
46
|
2
|
14
|
38
|
32
|
3.2
|
6
|
3
|
|
20
|
26.9
|
25
|
105
|
75
|
14
|
4
|
M12
|
56
|
2
|
16
|
40
|
40
|
3.2
|
6
|
4
|
|
25
|
33.7
|
32
|
115
|
85
|
14
|
4
|
M12
|
65
|
22
|
16
|
40
|
46
|
3.2
|
6
|
4
|
|
32
|
42.4
|
38
|
140
|
100
|
18
|
4
|
M16
|
76
|
2
|
18
|
42
|
56
|
3.6
|
6
|
5
|
|
40
|
48.3
|
45
|
150
|
110
|
18
|
4
|
M16
|
84
|
2
|
18
|
45
|
64
|
3.6
|
7
|
5
|
|
50
|
60.3
|
57
|
165
|
125
|
18
|
4
|
M16
|
99
|
2
|
20
|
48
|
74
|
4.0
|
8
|
5
|
|
65
|
76.1
|
76
|
185
|
145
|
18
|
8
|
M16
|
118
|
2
|
22
|
52
|
92
|
5.0
|
10
|
6
|
|
80
|
88.9
|
89
|
200
|
160
|
18
|
8
|
M16
|
132
|
2
|
24
|
58
|
110
|
5.6
|
12
|
6
|
|
100
|
114.3
|
108
|
235
|
190
|
22
|
8
|
M20
|
156
|
2
|
24
|
65
|
134
|
6.3
|
12
|
6
|
|
125
|
139.7
|
133
|
270
|
220
|
26
|
8
|
M24
|
184
|
2
|
26
|
68
|
162
|
6.3
|
12
|
6
|
|
150
|
168.3
|
159
|
300
|
250
|
26
|
8
|
M24
|
211
|
2
|
28
|
75
|
190
|
7.1
|
12
|
8
|
|
200
|
219.1
|
219
|
375
|
320
|
30
|
12
|
M27
|
284
|
2
|
64
|
88
|
244
|
8.0
|
16
|
8
|
|
250
|
273
|
273
|
450
|
385
|
33
|
12
|
M30
|
345
|
2
|
68
|
105
|
306
|
10.0
|
18
|
10
|
|
300
|
323.9
|
325
|
515
|
450
|
33
|
16
|
M30
|
409
|
2
|
42
|
445
|
362
|
10.0
|
18
|
10
|
|
350
|
355.6
|
377
|
580
|
510
|
36
|
16
|
M33
|
465
|
2
|
46
|
125
|
408
|
418
|
11.0
|
20
|
10
|
400
|
406.4
|
426
|
660
|
585
|
39
|
16
|
M36
|
535
|
2
|
50
|
135
|
462
|
480
|
12.5
|
20
|
10
|
450
|
457
|
480
|
685
|
610
|
39
|
20
|
M36
|
560
|
2
|
57
|
135
|
500
|
530
|
14.2
|
20
|
12
|
500
|
508
|
530
|
755
|
670
|
42
|
20
|
M39
|
615
|
2
|
57
|
140
|
562
|
580
|
16.0
|
20
|
12
|
600
|
610
|
630
|
890
|
795
|
48
|
20
|
M45
|
735
|
2
|
72
|
150
|
666
|
686
|
17.5
|
20
|
12
|
法兰图纸