新闻动态
法兰规格尺寸表
表中收集(国标、美标)常用法兰规格尺寸
|
GB9119,2—88
|
GB9119,2—88
|
||||||||||
in
|
公称通径
|
10kg=1.0MPa
|
公称通径
|
16kg=1.6MPa
|
||||||||
法兰外径
|
螺栓孔距
|
螺栓直径
|
螺栓孔数
|
法兰厚度
|
法兰外径
|
螺栓孔距
|
螺栓直径
|
螺栓孔数
|
法兰厚度
|
|||
3/8
|
DN10
|
50
|
60
|
14
|
4
|
14
|
DN10
|
90
|
60
|
14
|
4
|
14
|
1/2
|
DN15
|
59
|
65
|
14
|
4
|
14
|
DN15
|
95
|
65
|
14
|
4
|
14
|
3/4
|
DN20
|
105
|
75
|
14
|
4
|
16
|
DN20
|
105
|
75
|
14
|
4
|
16
|
1
|
DN25
|
115
|
85
|
14
|
4
|
16
|
DN25
|
115
|
85
|
14
|
4
|
16
|
11/4
|
DN32
|
140
|
100
|
18
|
4
|
18
|
DN32
|
140
|
100
|
18
|
4
|
18
|
11/2
|
DN40
|
150
|
110
|
18
|
4
|
18
|
DN40
|
150
|
110
|
18
|
4
|
18
|
2
|
DN50
|
165
|
125
|
18
|
4
|
20
|
DN50
|
165
|
125
|
18
|
4
|
20
|
21/2
|
DN65
|
185
|
145
|
18
|
4
|
20
|
DN65
|
185
|
145
|
18
|
4
|
20
|
3
|
DN80
|
200
|
160
|
18
|
8
|
20
|
DN80
|
200
|
160
|
18
|
8
|
20
|
31/2
|
DN100
|
220
|
180
|
18
|
8
|
22
|
DN100
|
220
|
180
|
18
|
8
|
22
|
4
|
DN125
|
250
|
210
|
18
|
8
|
22
|
DN125
|
250
|
210
|
18
|
8
|
22
|
5
|
DN150
|
285
|
240
|
22
|
8
|
24
|
DN150
|
285
|
240
|
22
|
8
|
24
|
6
|
DN200
|
340
|
295
|
22
|
8
|
24
|
DN200
|
340
|
295
|
22
|
8
|
26
|
8
|
DN250
|
395
|
350
|
22
|
12
|
26
|
DN250
|
405
|
355
|
26
|
12
|
29
|
10
|
DN300
|
445
|
400
|
22
|
12
|
28
|
DN300
|
460
|
410
|
26
|
12
|
32
|
12
|
DN350
|
505
|
460
|
22
|
16
|
30
|
DN350
|
520
|
470
|
26
|
16
|
35
|
14
|
DN400
|
565
|
515
|
26
|
16
|
32
|
DN400
|
580
|
525
|
30
|
16
|
38
|
16
|
DN450
|
615
|
565
|
26
|
20
|
35
|
DN450
|
640
|
585
|
30
|
20
|
42
|
18
|
DN500
|
670
|
620
|
26
|
20
|
38
|
DN500
|
715
|
650
|
33
|
20
|
46
|
20
|
DN600
|
780
|
725
|
26
|
20
|
42
|
DN600
|
840
|
770
|
36
|
20
|
52
|
ANSI标准125型 |
ANSI标准150型
|
|||||||||||
in
|
公称通径
|
10kg=1.0MPa
|
公称通径
|
16kg=1.6MPa
|
||||||||
法兰外径
|
螺栓孔距
|
螺栓直径
|
螺栓孔数
|
法兰厚度
|
法兰外径
|
螺栓孔距
|
螺栓直径
|
螺栓孔数
|
法兰厚度
|
|||
3/8
|
DN10
|
|
|
|
|
|
DN10
|
|
|
|
|
|
1/2
|
DN15
|
|
|
|
|
|
DN15
|
|
|
|
|
|
3/4
|
DN20
|
|
|
|
|
|
DN20
|
|
|
|
|
|
1
|
DN25
|
|
|
|
|
|
DN25
|
|
|
|
|
|
11/4
|
DN32
|
|
|
|
|
|
DN32
|
|
|
|
|
|
11/2
|
DN40
|
127
|
98.5
|
16
|
4
|
14.3
|
DN40
|
127
|
98.5
|
16
|
4
|
17.5
|
2
|
DN50
|
152
|
120.5
|
19
|
4
|
15.9
|
DN50
|
152
|
121.5
|
19
|
4
|
19.1
|
21/2
|
DN65
|
178
|
139.5
|
19
|
4
|
17.5
|
DN65
|
178
|
139.5
|
19
|
4
|
22.3
|
3
|
DN80
|
190
|
152.5
|
19
|
4
|
19.1
|
DN80
|
190
|
152.5
|
19
|
4
|
23.9
|
4
|
DN100
|
229
|
190.5
|
19
|
8
|
23.9
|
DN100
|
229
|
190.5
|
19
|
8
|
23.9
|
5
|
DN125
|
254
|
216.5
|
22
|
8
|
23.9
|
DN125
|
254
|
216.5
|
22
|
8
|
23.9
|
6
|
DN150
|
279
|
241.5
|
22
|
8
|
25.4
|
DN150
|
279
|
241.5
|
22
|
8
|
25.4
|
8
|
DN200
|
343
|
298.5
|
22
|
8
|
28.6
|
DN200
|
343
|
298.5
|
22
|
8
|
28.6
|
10
|
DN250
|
406
|
362.5
|
25
|
12
|
30.2
|
DN250
|
406
|
362.5
|
25
|
12
|
30.2
|
12
|
DN300
|
483
|
432
|
25
|
12
|
31.8
|
DN300
|
483
|
432
|
25
|
12
|
31.8
|
14
|
DN350
|
533
|
476.5
|
29
|
12
|
35
|
DN350
|
533
|
476.5
|
29
|
12
|
35
|
16
|
DN400
|
597
|
539.5
|
29
|
16
|
36.6
|
DN400
|
597
|
539.5
|
29
|
16
|
36.6
|
18
|
DN450
|
|
|
|
|
|
DN450
|
|
|
|
|
|
20
|
DN500
|
|
|
|
|
|
DN500
|
|
|
|
|
|
24
|
DN600
|
|
|
|
|
|
DN600
|
|
|
|
|
|
ANSI标准300型
|
|||||
公称通径
|
|
|
|
|
|
法兰外径
|
螺栓孔距
|
螺栓直径
|
螺栓孔数
|
法兰厚度
|
|
DN10
|
|
|
|
|
|
DN15
|
|
|
|
|
|
DN20
|
|
|
|
|
|
DN25
|
|
|
|
|
|
DN32
|
|
|
|
|
|
DN40
|
156
|
114.5
|
19
|
4
|
18
|
DN50
|
165
|
127
|
22
|
8
|
18
|
DN65
|
190
|
149
|
22
|
8
|
20
|
DN80
|
210
|
168
|
22
|
8
|
22
|
DN100
|
254
|
200
|
22
|
8
|
24
|
DN125
|
279
|
235
|
22
|
8
|
26
|
DN150
|
318
|
270
|
2 2
|
12
|
28
|
DN200
|
381
|
330
|
25
|
12
|
30
|
DN250
|
444
|
387.5
|
29
|
16
|
34
|
DN300
|
521
|
451
|
32
|
16
|
36
|
DN350
|
584
|
514.5
|
32
|
20
|
40
|
DN400
|
648
|
571.5
|
3 5
|
20
|
46
|
DN450
|
|
|
|
|
|
DN500
|
|
|
|
|
|
DN600
|
|
|
|
|
|
螺栓配套孔距对比表
|
|||||||||
螺栓孔距直径
|
11
|
14
|
18(19)
|
22(23)
|
26(28)
|
30(31)
|
33(34)
|
36(37)
|
39(40)
|
螺栓公称直径
|
M10
|
M12
|
M16
|
M20
|
M24
|
M27
|
M30
|
M33
|
M36
|
以上是国标阀门规格尺寸表,在线了解更多产品请登录:http://www.jintaifamen.com
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0577-67351578
4007118876
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