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GB9113.24-88法兰标准
PN15.0MPa(150bar)
●本标准适用于公称压力PN为15.0MPa(150bar)的环连接面整体钢制管法兰。
●法兰的型式和尺寸按下图和下表的规定：
|
公称通径(DN)
|
连接尺寸
|
槽号
|
密封面
|
法兰厚度(b)
|
两法兰间距离(近似值)
|
|
法兰内径(D0)
|
法兰外径(D)
|
螺栓孔中心圆直径(D2)
|
螺栓孔径(Φ)
|
螺栓
|
d(min)
|
D1
|
E
|
F
|
R(max)
|
|
数量(n)
|
螺纹
|
|
15
|
13
|
120
|
82.5
|
22
|
4
|
M20
|
R12
|
60.5
|
39.67
|
6.35
|
8.74
|
0.8
|
22.5
|
4
|
|
20
|
17
|
130
|
89.0
|
22
|
4
|
M20
|
R14
|
66.5
|
44.45
|
6.35
|
8.74
|
0.8
|
25.5
|
4
|
|
25
|
22
|
150
|
101.5
|
26
|
4
|
M24
|
R16
|
71.5
|
50.80
|
6.35
|
8.74
|
0.8
|
29.0
|
4
|
|
32
|
29
|
160
|
111.0
|
26
|
4
|
M24
|
R18
|
81.0
|
60.32
|
6.35
|
8.74
|
0.8
|
29.0
|
4
|
|
40
|
35
|
180
|
124.0
|
30
|
4
|
M27
|
R20
|
92.0
|
68.28
|
6.35
|
8.74
|
0.8
|
32.0
|
4
|
|
50
|
48
|
215
|
165.0
|
26
|
8
|
M24
|
R24
|
124.0
|
95.25
|
7.92
|
11.91
|
0.8
|
38.5
|
3
|
|
65
|
57
|
245
|
190.5
|
30
|
8
|
M27
|
R27
|
137.0
|
107.95
|
7.92
|
11.91
|
0.8
|
41.5
|
3
|
|
80
|
73
|
240
|
190.5
|
26
|
8
|
M24
|
R31
|
156.0
|
123.82
|
7.92
|
11.91
|
0.8
|
38.5
|
4
|
|
100
|
98
|
295
|
235.0
|
33
|
8
|
M30
|
R37
|
181.0
|
149.22
|
7.92
|
11.91
|
0.8
|
44.5
|
4
|
|
125
|
121
|
350
|
279.5
|
36
|
8
|
M33
|
R41
|
216.0
|
180.98
|
7.92
|
11.91
|
0.8
|
51.0
|
4
|
|
150
|
146
|
380
|
317.5
|
33
|
12
|
M30
|
R45
|
241.0
|
211.12
|
7.92
|
11.91
|
0.8
|
56.0
|
4
|
|
200
|
191
|
470
|
393.5
|
39
|
12
|
M36
|
R49
|
308.0
|
269.88
|
7.92
|
11.91
|
0.8
|
63.5
|
4
|
|
250
|
238
|
545
|
470.0
|
39
|
16
|
M36
|
R53
|
362.0
|
323.85
|
7.92
|
11.91
|
0.8
|
70.0
|
4
|
|
300
|
283
|
610
|
533.5
|
39
|
20
|
M36
|
R57
|
419.0
|
381.00
|
7.92
|
11.91
|
0.8
|
79.5
|
4
|
|
350
|
311
|
640
|
559.0
|
42
|
20
|
M39
|
R62
|
467.0
|
419.10
|
11.13
|
16.66
|
1.5
|
86.0
|
4
|
|
400
|
356
|
705
|
616.0
|
45
|
20
|
M42
|
R66
|
524.0
|
469.90
|
11.13
|
16.66
|
1.5
|
89.0
|
4
|
|
450
|
400
|
785
|
686.0
|
52
|
20
|
M48
|
R70
|
594.0
|
533.40
|
12.70
|
19.84
|
1.5
|
102.0
|
5
|
|
500
|
445
|
855
|
749.5
|
56
|
20
|
M52
|
R74
|
648.0
|
584.20
|
12.70
|
19.84
|
1.5
|
108.0
|
5
|
|
600
|
535
|
1040
|
901.5
|
68
|
20
|
M64
|
R78
|
772.0
|
692.15
|
15.88
|
26.97
|
2.4
|
140.0
|
6
|
注：凸出部分高度与梯形槽深度尺寸E相同，但不受尺寸E公差的限制，允许采用如虚线所示轮廓的全平面式。
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