|
1.“ 机械工业部( JB81/83 -94)”法兰连接尺寸表
|
公称通径DNmm
|
公称 压 力 P g (Kgf/cm 2 )
|
|
2.5
|
6
|
10
|
16
|
25
|
|
D
|
D 1
|
n
|
d
|
D
|
D 1
|
n
|
d
|
D
|
D 1
|
n
|
d
|
D
|
D 1
|
n
|
d
|
D
|
D 1
|
n
|
d
|
|
40
|
130
|
100
|
4
|
14
|
130
|
100
|
4
|
14
|
145
|
110
|
4
|
18
|
145
|
110
|
4
|
18
|
145
|
110
|
4
|
18
|
|
50
|
140
|
110
|
140
|
110
|
160
|
125
|
160
|
125
|
160
|
125
|
|
65
|
160
|
130
|
160
|
130
|
180
|
145
|
180
|
145
|
180
|
145
|
8
|
|
80
(70)
|
185
|
150
|
18
|
185
|
150
|
18
|
195
|
160
|
195
|
160
|
8
|
195
|
160
|
|
100
|
205
|
170
|
205
|
170
|
215
|
180
|
8
|
215
|
180
|
230
|
190
|
22
|
|
125
|
235
|
200
|
8
|
235
|
200
|
8
|
245
|
210
|
245
|
210
|
270
|
220
|
26
|
|
150
|
260
|
225
|
260
|
225
|
285
|
240
|
22
|
280
|
240
|
22
|
300
|
250
|
|
200
|
315
|
280
|
315
|
280
|
335
|
295
|
335
|
295
|
12
|
360
|
310
|
12
|
|
250
|
370
|
335
|
12
|
370
|
335
|
12
|
390
|
350
|
12
|
405
|
355
|
26
|
425
|
370
|
30
|
|
300
|
435
|
395
|
22
|
435
|
395
|
22
|
440
|
400
|
460
|
410
|
485
|
430
|
16
|
|
350
|
485
|
445
|
485
|
445
|
500
|
460
|
16
|
520
|
470
|
16
|
550
|
490
|
33
|
|
400
|
535
|
495
|
16
|
535
|
495
|
16
|
565
|
515
|
26
|
580
|
525
|
30
|
610
|
550
|
|
450
|
590
|
550
|
590
|
550
|
615
|
565
|
20
|
640
|
585
|
20
|
660
|
600
|
20
|
|
500
|
640
|
600
|
640
|
600
|
670
|
620
|
705
|
650
|
33
|
730
|
660
|
39
|
|
600
|
755
|
705
|
20
|
26
|
755
|
705
|
20
|
26
|
780
|
725
|
30
|
840
|
770
|
39
|
840
|
770
|
|
700
|
860
|
810
|
24
|
860
|
810
|
24
|
895
|
840
|
24
|
910
|
840
|
24
|
955
|
875
|
24
|
45
|
|
800
|
975
|
920
|
30
|
975
|
920
|
30
|
1010
|
950
|
33
|
1020
|
950
|
1070
|
990
|
|
900
|
1075
|
1020
|
1075
|
1020
|
1110
|
1050
|
28
|
1120
|
1050
|
28
|
1180
|
1090
|
28
|
52
|
|
1000
|
1175
|
1120
|
28
|
1175
|
1120
|
28
|
1220
|
1160
|
1255
|
1170
|
45
|
1305
|
1210
|
56
|
|
1200
|
1375
|
1320
|
32
|
1400
|
1340
|
32
|
33
|
1450
|
1380
|
32
|
39
|
1485
|
1390
|
32
|
52
|
1525
|
1420
|
32
|
|
1400
|
1575
|
1520
|
36
|
1620
|
1560
|
36
|
1675
|
1590
|
36
|
45
|
1685
|
1590
|
36
|
1750
|
1640
|
36
|
40
|
|
1500
|
1690
|
1630
|
1720
|
1660
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
- |
- |
- |
|
1600
|
1785
|
1730
|
40
|
1820
|
1760
|
40
|
1915
|
1820
|
40
|
52
|
1930
|
1820
|
40
|
56
|
-
|
- |
- |
- |
|
代号
|
D - 法兰外径 mm n - 螺栓孔个数
D 1 - 法兰螺栓孔中心圆直径 mm d - 螺栓孔直径 mm
|
2. 国标 (GB9112—9131—88) 管法兰连接尺寸表
|
公称通径 DNmm
|
公 称 压 力 PN MPa(bar)
|
|
0.25(2.5)/0.6(6)
|
1.0(10)
|
1.6(16)
|
2.5(25)
|
2.0(20)
|
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
|
40
|
130
|
100
|
4
|
14
|
150
|
110
|
4
|
18
|
150
|
110
|
4
|
18
|
150
|
110
|
4
|
18
|
130
|
98.5
|
4
|
16
|
|
50
|
140
|
110
|
165
|
125
|
165
|
125
|
165
|
125
|
150
|
120.5
|
20
|
|
65
|
160
|
130
|
185
|
145
|
185
|
145
|
185
|
145
|
8
|
180
|
139.5
|
|
80
|
190
|
150
|
18
|
200
|
160
|
8
|
200
|
160
|
8
|
200
|
160
|
190
|
152.5
|
|
100
|
210
|
170
|
220
|
180
|
220
|
180
|
235
|
190
|
22
|
230
|
190.5
|
8
|
|
125
|
240
|
200
|
8
|
250
|
210
|
250
|
210
|
270
|
220
|
26
|
255
|
216
|
22
|
|
150
|
265
|
225
|
285
|
240
|
22
|
285
|
240
|
22
|
300
|
250
|
280
|
241.5
|
|
200
|
320
|
280
|
340
|
295
|
340
|
295
|
12
|
360
|
310
|
12
|
345
|
298.5
|
|
250
|
375
|
335
|
12
|
395
|
350
|
12
|
405
|
355
|
26
|
425
|
370
|
30
|
405
|
362
|
12
|
26
|
|
300
|
440
|
395
|
22
|
445
|
400
|
460
|
410
|
485
|
430
|
16
|
485
|
432
|
|
350
|
490
|
445
|
505
|
460
|
16
|
520
|
470
|
16
|
555
|
490
|
33
|
535
|
470
|
30
|
|
400
|
540
|
495
|
16
|
565
|
515
|
26
|
580
|
525
|
30
|
620
|
550
|
36
|
600
|
540
|
16
|
|
450
|
595
|
550
|
615
|
565
|
20
|
640
|
585
|
20
|
670
|
600
|
20
|
635
|
578
|
33
|
|
500
|
645
|
600
|
20
|
670
|
620
|
715
|
650
|
33
|
730
|
660
|
700
|
635
|
20
|
|
600
|
755
|
705
|
26
|
780
|
725
|
30
|
840
|
770
|
36
|
845
|
770
|
39
|
815
|
749.5
|
36
|
|
700
|
860
|
810
|
24
|
895
|
840
|
24
|
910
|
840
|
24
|
960
|
875
|
24
|
42
|
/
|
|
800
|
975
|
920
|
30
|
1015
|
950
|
33
|
1025
|
950
|
39
|
1085
|
990
|
48
|
|
900
|
1075
|
1020
|
1115
|
1050
|
28
|
1125
|
1050
|
28
|
1185
|
1090
|
28
|
|
1000
|
1175
|
1120
|
28
|
1230
|
1160
|
36
|
1255
|
1170
|
42
|
1320
|
1210
|
56
|
|
1200
|
1375
1405
|
1320
1340
|
32
|
30
33
|
1455
|
1380
|
32
|
39
|
1485
|
1390
|
32
|
48
|
1530
|
1420
|
32
|
|
1400
|
1575
1630
|
1520
1560
|
36
|
30
36
|
1675
|
1590
|
36
|
42
|
1685
|
1590
|
36
|
1755
|
1640
|
36
|
62
|
|
1600
|
1790
1830
|
1730
1760
|
40
|
1915
|
1820
|
40
|
48
|
1930
|
1820
|
40
|
56
|
1975
|
1860
|
40
|
|
代号
|
D - 法兰外径 mm; n - 螺栓孔个数
D 1 - 法兰螺栓孔中心圆直径 mm d - 螺栓孔直径 mm;
|
3 .化工部建设工程标准( HGJ44~76 -91)管法兰连接尺寸表
西德国标(DIN2500~2699)
|
公称通径DNmm
|
公 称 压 力 PN Mpa(bar)
|
|
0.25(2.5)
|
0.6(6)
|
1.0(10)
|
1.6(16)
|
2.5(25)
|
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
D
|
K
|
n
|
L
|
|
40
|
130
|
100
|
4
|
14
|
130
|
100
|
4
|
14
|
150
|
110
|
4
|
18
|
150
|
110
|
4
|
18
|
150
|
110
|
4
|
18
|
|
50
|
140
|
110
|
140
|
110
|
165
|
125
|
165
|
125
|
165
|
125
|
|
65
|
160
|
130
|
160
|
130
|
185
|
145
|
185
|
145
|
185
|
145
|
8
|
|
80
|
190
|
150
|
18
|
190
|
150
|
18
|
200
|
160
|
8
|
200
|
160
|
8
|
200
|
160
|
|
100
|
210
|
170
|
210
|
170
|
220
|
180
|
220
|
180
|
235
|
190
|
22
|
|
125
|
240
|
200
|
8
|
240
|
200
|
8
|
250
|
210
|
250
|
210
|
270
|
220
|
26
|
|
150
|
265
|
225
|
265
|
225
|
285
|
240
|
22
|
285
|
240
|
22
|
300
|
250
|
|
200
|
320
|
280
|
320
|
280
|
340
|
295
|
340
|
295
|
12
|
360
|
310
|
12
| |