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无标题文档
JB/T79-94法兰标准
主要连接尺寸:
|
公称压力PN(MPa)
|
公称通径DN(mm)
|
尺寸(mm)
|
|
D
|
D1
|
D2
|
b
|
f
|
Z-Φd
|
|
1.6
|
15
|
95
|
65
|
45
|
14
|
2
|
4-14
|
|
20
|
105
|
75
|
55
|
14
|
2
|
4-14
|
|
25
|
115
|
85
|
65
|
14
|
2
|
4-14
|
|
32
|
135
|
100
|
78
|
16
|
2
|
4-18
|
|
40
|
145
|
110
|
85
|
16
|
3
|
4-18
|
|
50
|
160
|
125
|
100
|
16
|
3
|
4-18
|
|
65
|
180
|
145
|
120
|
18
|
3
|
4-18
|
|
80
|
195
|
160
|
135
|
20
|
3
|
8-18
|
|
100
|
215
|
180
|
155
|
20
|
3
|
8-18
|
|
125
|
245
|
210
|
185
|
22
|
3
|
8-18
|
|
150
|
280
|
240
|
210
|
24
|
3
|
8-23
|
|
200
|
335
|
295
|
265
|
26
|
3
|
12-23
|
|
250
|
405
|
355
|
320
|
30
|
3
|
12-25
|
|
300
|
460
|
410
|
375
|
30
|
3
|
12-25
|
|
350
|
520
|
470
|
435
|
34
|
4
|
16-25
|
|
400
|
580
|
525
|
485
|
36
|
4
|
16-30
|
|
450
|
640
|
585
|
545
|
40
|
4
|
20-30
|
|
500
|
705
|
650
|
608
|
44
|
4
|
20-34
|
|
600
|
840
|
770
|
718
|
48
|
4
|
20-41
|
|
700
|
910
|
840
|
788
|
50
|
5
|
24-41
|
|
800
|
1020
|
950
|
898
|
52
|
5
|
24-41
|
|
900
|
1120
|
1050
|
998
|
54
|
5
|
28-41
|
|
1000
|
1255
|
1170
|
1110
|
56
|
5
|
28-48
|
|
1200
|
1485
|
1390
|
1325
|
58
|
5
|
32-54
|
|
2.5
|
10
|
90
|
60
|
40
|
16
|
2
|
4-14
|
|
15
|
95
|
65
|
45
|
16
|
2
|
4-14
|
|
20
|
105
|
75
|
55
|
16
|
2
|
4-14
|
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
|
32
|
135
|
100
|
78
|
18
|
2
|
4-18
|
|
40
|
145
|
110
|
85
|
18
|
3
|
4-18
|
|
50
|
160
|
125
|
100
|
20
|
3
|
4-18
|
|
65
|
180
|
145
|
120
|
22
|
3
|
8-18
|
|
80
|
195
|
160
|
135
|
22
|
3
|
8-18
|
|
100
|
230
|
190
|
160
|
24
|
3
|
8-23
|
|
125
|
270
|
220
|
188
|
28
|
3
|
8-25
|
|
150
|
300
|
250
|
218
|
30
|
3
|
8-25
|
|
500
|
360
|
310
|
278
|
34
|
3
|
12-25
|
|
250
|
425
|
370
|
332
|
36
|
3
|
12-30
|
|
300
|
485
|
430
|
390
|
40
|
4
|
16-30
|
|
350
|
550
|
490
|
448
|
44
|
4
|
16-34
|
|
400
|
610
|
550
|
505
|
48
|
4
|
16-34
|
|
450
|
660
|
600
|
555
|
50
|
4
|
20-34
|
|
500
|
730
|
660
|
610
|
52
|
4
|
20-41
|
|
600
|
840
|
770
|
718
|
56
|
5
|
20-41
|
|
700
|
955
|
875
|
815
|
60
|
5
|
24-48
|
|
800
|
1070
|
990
|
930
|
64
|
5
|
24-48
|
|
900
|
1180
|
1090
|
1025
|
66
|
5
|
28-54
|
|
1000
|
1305
|
1210
|
1140
|
68
|
5
|
28-58
|
|
1200
|
1525
|
1420
|
1350
|
72
|
5
|
32-58
|
|
公称压力PN(MPa)
|
公称通径DN(mm)
|
尺寸(mm)
|
|
D
|
D1
|
D2
|
D6
|
b
|
f
|
f2
|
Z-Φd
|
|
4.0
|
10
|
90
|
60
|
40
|
35
|
16
|
2
|
4
|
4-14
|
|
15
|
95
|
65
|
45
|
40
|
16
|
2
|
4
|
4-14
|
|
20
|
105
|
75
|
55
|
51
|
16
|
2
|
4
|
4-14
|
|
25
|
115
|
85
|
65
|
58
|
16
|
2
|
4
|
4-14
|
|
32
|
135
|
100
|
78
|
66
|
18
|
2
|
4
|
4-18
|
|
40
|
145
|
110
|
85
|
76
|
18
|
3
|
4
|
4-18
|
|
50
|
160
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
|
65
|
180
|
145
|
120
|
110
|
22
|
3
|
4
|
8-18
|
|
80
|
195
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
|
100
|
230
|
190
|
160
|
150
|
24
|
3
|
4.5
|
8-23
|
|
125
|
270
|
220
|
188
|
176
|
28
|
3
|
4.5
|
8-25
|
|
150
|
300
|
250
|
218
|
204
|
30
|
3
|
4.5
|
8-25
|
|
200
|
375
|
320
|
282
|
260
|
38
|
3
|
4.5
|
12-30
|
|
250
|
445
|
385
|
345
|
313
|
42
|
3
|
4.5
|
12-34
|
|
300
|
510
|
450
|
408
|
364
|
46
|
4
|
4.5
|
16-34
|
|
350
|
570
|
510
|
465
|
422
|
52
|
4
|
5
|
16-34
|
|
400
|
655
|
585
|
535
|
474
|
58
|
4
|
5
|
16-41
|
|
500
|
755
|
670
|
612
|
576
|
62
|
4
|
5
|
20-48
|
|
600
|
890
|
795
|
730
|
678
|
62
|
5
|
6
|
20-54
|
|
700
|
995
|
900
|
835
|
768
|
68
|
5
|
6
|
24-54
|
|
800
|
1135
|
1030
|
960
|
876
|
76
|
5
|
6
|
24-58
|
|
6.4
|
10
|
100
|
70
|
50
|
35
|
18
|
2
|
4
|
4-14
|
|
15
|
105
|
75
|
55
|
40
|
18
|
2
|
4
|
4-14
|
|
20
|
125
|
90
|
68
|
51
|
20
|
2
|
4
|
4-18
|
|
25
|
135
|
100
|
78
|
58
|
22
|
2
|
4
|
4-18
|
|
32
|
150
|
110
|
82
|
66
|
24
|
2
|
4
|
4-23
|
|
40
|
165
|
125
|
95
|
76
|
24
|
3
|
4
|
4-23
|
|
50
|
175
|
135
|
105
|
88
|
26
|
3
|
4
|
4-23
|
|
65
|
200
|
160
|
130
|
110
|
28
|
3
|
4
|
8-23
|
|
80
|
210
|
170
|
140
|
121
|
30
|
3
|
4
|
8-23
|
|
100
|
250
|
200
|
168
|
150
|
32
|
3
|
4.5
|
8-25
|
|
125
|
295
|
240
|
202
|
176
|
36
|
3
|
4.5
|
8-30
|
|
150
|
340
|
280
|
240
|
204
|
38
|
3
|
4.5
|
8-34
|
|
200
|
405
|
345
|
300
|
260
|
44
|
3
|
4.5
|
12-34
|
|
250
|
470
|
400
|
352
|
313
|
48
|
3
|
4.5
|
12-41
|
|
300
|
530
|
460
|
412
|
364
|
54
|
4
|
4.5
|
16-41
|
|
350
|
595
|
525
|
475
|
422
|
60
|
4
|
5
|
16-41
|
|
400
|
670
|
585
|
525
|
474
|
66
|
2
|
5
|
16-48
|
|
10.0
|
10
|
100
|
70
|
50
|
35
|
20
|
2
|
4
|
4-14
|
|
15
|
105
|
75
|
55
|
40
|
20
|
2
|
4
|
4-14
|
|
20
|
125
|
90
|
68
|
51
|
22
|
2
|
4
|
4-18
|
|
25
|
135
|
100
|
78
|
58
|
24
|
2
|
4
|
4-18
|
|
32
|
150
|
110
|
82
|
66
|
24
|
2
|
4
|
4-23
|
|
40
|
165
|
125
|
95
|
76
|
26
|
3
|
4
|
4-23
|
|
50
|
195
|
145
|
112
|
88
|
28
|
3
|
4
|
4-25
|
|
65
|
220
|
170
|
138
|
110
|
32
|
3
|
4
|
8-25
|
|
80
|
230
|
180
|
148
|
121
|
34
|
3
|
4
|
8-25
|
|
100
|
265
|
210
|
172
|
150
|
38
|
3
|
4.5
|
8-30
|
|
125
|
310
|
250
|
210
|
176
|
42
|
3
|
4.5
|
8-34
|
|
150
|
350
|
290
|
250
|
204
|
46
|
3
|
4.5
|
12-34
|
|
200
|
430
|
360
|
312
|
260
|
54
|
3
|
4.5
|
12-41
|
|
250
|
500
|
430
|
382
|
313
|
60
|
3
|
4.5
|
12-41
|
|
300
|
585
|
500
|
442
|
364
|
70
|
4
|
4.5
|
16-48
|
|
16.0
|
10
|
110
|
75
|
52
|
40
|
24
|
2
|
4
|
4-18
|
|
15
|
110
|
75
|
52
|
40
|
24
|
2
|
4
|
4-18
|
|
20
|
130
|
90
|
62
|
51
|
26
|
2
|
4
|
4-23
|
|
25
|
140
|
100
|
72
|
58
|
28
|
2
|
4
|
4-23
|
|
32
|
165
|
115
|
85
|
66
|
30
|
2
|
4
|
4-25
|
|
40
|
175
|
125
|
92
|
76
|
32
|
3
|
4
|
4-27
|
|
50
|
215
|
165
|
132
|
88
|
36
|
3
|
4
|
8-25
|
|
|