This standard replaces JB 83-79. JB/T 83-1994 Flat welded ring plate type loose sleeve steel pipe flange JB/T83-1994 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Flat welded ring plate loose steel pipe flange
Subject content and scope of application
JB/T8394
Replaces 183--59
This standard specifies the type and size of welded ring-plate loose steel pipes with a nominal pressure PN of 0.25.0.6+1.0.1.6.2.5MPa.
This standard is applicable to flat welded ring plate type loose sleeve steel pipe flanges with nominal pressure PN0.25~2.5MPa! 2 Reference standards
J13/T74 pipe flange technical conditions
3 The type and size of the flange cover should comply with the requirements in Figure 1 and Tables 1 to 4. The technical requirements of B
K
D
4 flange are in accordance with the provisions of JB/T74, Figure 1
E
flange nominal pressure and The maximum allowable working pressure at different temperatures is in accordance with the provisions of Appendix B of JB/T74. 5
Marking example
Flat welded ring plate type loose sleeve steel algorithm flange with nominal diameter 300mm, nominal pressure 1.0Ma, size series 2: flange 300-10JB/T 83.-- 94
Flat welded ring plate loose steel pipe manufacturing method with nominal diameter 300mm, nominal pressure 1.0MPa, size series 1: flange 300-10 (series 1) JB/T8394
China Approved by the Ministry of Machinery Industry of the People's Republic of China on 1994-12-09 382
1995-10-01 for implementation
nominal
diameter
DN
10|| tt||15
20
25
32
40
50
65
80||tt| |Bamboo shoots
Outer diameter
A
14
18
25
32
38||tt| |45
57
73
89
100108
125
150
(175)||tt| |200
133
159
19.4
219
(225)) 243
JB/T 83
94
Table
PN0.25 and 0.6MPa flat welding ring plate type loose sleeve steel pipe flange size connection ruler
sub
flange outer diameter||tt ||D
Series 1/
Series 2
75
80
90
100
120|| tt||130
140
160
190/185
210/205
240/235
265/260|| tt||290
320/315
340
250273
375/370
300
350
400
325
377
426
480
450
500
530
440/435
490/485
540/535
5957590
bolt hole
center circle
diameter
K|| tt||50
55
63
75
90
100
110
130||tt| |150
170
200
225
255
280
305
335
395
445
495
550
645/640
600
bolt hole
diameter
1
series 1/
series?
12
12
12
12
14
14
14
14|| tt||18
18
18
18
18
18
18
18||tt| |23
23
23
23
23
Bolts, studs
Quantity
4||tt ||4
4
4
4
4
4
4
4
8
8
8
8
8
12
12
12
16| |tt||16
Thread Th.
Series 17
Series 2
M10
M10
M10
M10
M12
M12
M12
M12
M16
M16
M16
M16| |tt||M16
M16
M16
M16
M20
M20
M20
M20||tt ||M20
Flange
Degree
10
10
10
12
12||tt| |12
12
14
14
14
14
16
18
18
20
20
flange inner diameter
E
16
20
27
34
41
48
60
80
93
112
138
154|| tt||200
225
251
279
331
28
32
34||tt| |38
383
133
4.85
536
1
4
5
5
5
6
6
6
6
7
8
9|| tt||11
11
12
flat
weld ring
outer diameter
t
32|| tt||40
50
60
70
80
90
Thickness
Inner diameter||tt| |3
15
19
26
33
39
46
59
110
125
145
75
91
110
17513#
200
236| |tt||253
8
8
10)
10
m
Theoretical mass basis kg
Dharma Chosen Glowing Ring
10.30
3.0.3
0.33.06
0.42
(.12
0.610.16|| tt||1 0. 88 0. 21
10
1)
12
14
1. (12 0.27
1.13(3
3. 59 1 0.55
14
2.1 .3
14
14
6
19
222
280 1 248
310
276
328
362
412
12
12
12
462
518
568
380
430| |tt||48-.
16
is
18
18
2. 664.*
2.901.21| |tt||3.76
1.53
14.611.80
5.11 2.06
6.17-.16
6.3353
20||tt ||20
24
53426
10.
114.193.71
117
121.8915.50
26.707.22
383
公称管子
通很」外很
TON
10
15
20
25
32
40
50
63
80| |tt||100
125
150
(175)
200
(225)
250
300
350
400
450
300
A
14
18
25| |tt||32
38
45
57
73
8元
108
蛋外很
D
系列1/
系系2
90
95

105
115
140/135
150/145
165/160
1185/180
200/195
220/215| |tt||133
159
194
219
245
273
325
377||tt ||426
480
530
384
250/245
2857280
310
3407335||tt ||365
395/890
445/440
505/500
565
615
670
JB/T83-.94. |tt||K
6
65
75
85
100
110
125||tt ||145
160
180
210
240
270
295
325
350
400
460
515
565
820
螺栓孔
diameter
t
系系1/
系系2
14
14
14
14
18
18
18
18
18
18
18
23
23
23| |tt||23
23
23
23
26/25
26/25
26/25||tt ||軺栓、軺柱
軺纹Th.
quantity
4
4
4
4
8
8
12|| tt||12
16
16
20
20
系系1/
系系2
M12| |tt||M12
M12
M12
ME
M16
M16
M16
M16||tt ||M16
Mi6
M20
M20
M20
M20
M20
M20
M24 tt||14
16
18
18
20
法革内很
B
16|| tt||20
27
34
5
48
60
80
22||tt| |93
24
25
26
26
26
28
28
30
32
34
34
M24/M22
38
112
138
164
200
225
251
279
331
383
433
483|| tt||536
5
5
6
6
6
6
6||tt| |8
H
11
12
12
12
12
平掌环||tt| |外很
40
45
55
65
78
85
内很
15
1
26
33
39
4行
59
1001
120
135
155
185
210
210
265
295
320|| tt||75
91
110
135
161
gs
222
248||tt| |276
368
1328
428
38t
182
：
532
585
430)
thickness
10
19
12
12
12
16| |tt||16
18
18
20
20
22
22
32||tt ||24
26
481
531
26
mm
设计安全kg
法“|| tt||没环
1 0.52 : 0.39
e.38
0.11
10. 821 0. 20
0. 07 0. 27
1.511(.34
1.9310.42
2.310.62
3.050.90
3.81
1.61| |tt||:6.15
1. [6
1.31
1.96
7.582.22
8.32
2.58||tt ||9.20
12.94
11.403.66
11.701 3.78
14.404.21
18.706.33
:26 .18
27.308.7:
28
34.9010.60
公称
通很
IN
10
15
20
25
32
40
50
65
80|| tt||100
125
150
管子
外很
蛋外外很
D
JB /T83—94
表3PV1.6MPa平排环板式松套钢制管艺机莲接包装
螺梓孔
中心圆
系统1/ ！
系列2
141
18
25
32
38
45
57
73
89
108
133
159
194
1753
200|| tt||219
(225)245
250
273
325
300
350
377| |tt||400426
450
500
480
530
90
95
[05|| tt||115
140/135
150/145
165/160
185/180
200/195
220 /215
250/245
285/280
310
340/335
365
405
460
520
580
640
715/705
青很
K
60
65
75
8.5
100
110
125
145
160
180| |tt||210
240
270
295
325
355
410
470||tt ||525
585
650
螺梓孔
diameter
1
系系17
系系2|| tt||14
14
14
14
18
18
18
18||tt| |18
18
18
23
23
23
23
126/25||tt| |26/25
26/25
30
30
34
螺梓、螺柱
螺纹Th.
quantity
4
4
4
4
4
4
4|| tt||8
8
8
8
8
12
12
12||tt| |12
16
16
20
20
系系11
系系2
M12||tt| |M12
M12
M12
M16
M16
M16
M16
M16
M16
M16
M20
M20
M20
M20
M24/M22
??????
公司
14
14
16
16
18
20
20
22| |tt||24
艺分内很
16
20
27
34
41
48| |tt||60
80
93
261112
28
28
28
28||tt ||28
30
M247M221
M24/M22
M27
M27
M30
32||tt ||34
36
38
42
138
164
200
225
251
279
331
383
433
4.85
536
4
4| |tt||5
5
5
5
6
6
6
6||tt ||7
8
9
1
11
12
12
12
13 ||15
40
45
19
55—
26
65
78||tt| |85
100
120
135
155
185
210
240
33
39
46
59
75
91
110
135
161|| tt||196
265
222
295
320
375
435
485||tt| |545
608
248
276
328
380
12
12
14
14
16
mm
设计贪鼠kg
艺机环
0.600.10
670.13
0.930.24
1.110.31
1.67
162.15
16
18
18||tt| |20
20
22
22
22
24
21
0.45
0.57
0.71
2. 55
3.35
1.01
3. 961. 23
4.98
1.64
6.632.18
8. t62. 6?
8.96: 2.84
19.541
3.42
11.1)1 3.99
13.404.22
18.60..11|| tt||24
26
430
2
484
28
534
30||tt| |122.709.07
29.9010.10
36.6012.80
148.33 17.10
385
公称
避很||tt| |ONwww.bzxz.net
管子
外很
A
10
15
20
25
32
10
50
65
80
100
125
1509
(175 )
200
（225)
250
300
350
14
表4||tt| |JB/T8394
PN2.5MPa平排环板式松套钢制管艺在包装连
接
尺
螺梓孔
法兰外很
D
系列1/
系系2
90
18
25
32|| tt||38
45
57
73
89
108
133
159||tt| |194
219
245
273
325
377
400426
450
480
500530
95
105
115
140/135
150/145
165/160|| tt||185/180
200/195
235/230
270
300
330
360||tt| |395
425
485
555/550
620/610
670/660
730
中心圆
diameter
K
60
65
75
85
100
110| |tt||125
145
160
190
220
250
280
310||tt ||340
370
430
490
550
600
660
4
螺没孔
diameter
1
系列1！
系系2
,14
14
14
14
38
18
18
18
18| |tt||23
26/25
26/25
26/25
26/25
30
30| |tt||30
34
36/34
36/34
36/41
軺栓、螺柱
軺纹Th.
quantity
4
4
4
8
8
8
8
8
12
12
12
12
16
16
16|| tt||20
20
系系1/
系系2
M12
M12
M12
M12| |tt||M16
ME
M16
M16
M16
M20
M24/M22
M24/ M22
M24/M22
M24/M22
M27
M27
M27
M30
IM33/M30| M33/M30 |18
20
22
22
24
26
28
30
30
30
30
32
32
34
38
42
艺分很
R
16
20
27
34
18
66
80|| tt||93
112
138
164
200
225
251
279||tt| |331
383
433
46
485
536
50
F
6
学
11
11
12
12
12
12
平没环
外很
40
45
55
内很
mm
晖论金属kg||tt| | thickness
B
15
19
26
65
33
78
39
85
oo！
120
135
160
1.88
218
248| |tt||46
59
75
91
11o
133
161
.196|| tt||2781222
302
332
390
248
276
328
448||tt| |380
505
430
555
484
610
11
11
1
6
tt:
18
1
20
20
22
24| |tt||2.4
24
24
26
26
26
28
30||tt ||3t3
534
32
法善「想环
1.70 1 0.12
1 t. 77 1. 33
1.06 .27
3,2
tn.36
.8. 5
2. 36 , 4
2.810.79
13.46 :1.12
4.201.37
6i. 21
1.38
8.
2.64
10.3.29
11.401 3.53
13.20
4.3||tt ||16.20:5.29
18.10/6.034
123.307.15
31.7010,43
12.5113.60
48.15:14.36
61.5710.20. ：新电影电视应上海最作系统1尺中。
②）表1～表4中国际的艺音于设计下载系统2法些。 Additional description：
本标准由添家工业部添加深圳化研究是是以归！。本校由添加工业部添加档化研究品、哈尔滨锅炉厂起草。本校于起草人李俊英、吴桢家。386

quantity
4
4
4
8
8
8
8|| tt||8
12
12
12
12
16
16
16||tt| |20
20
系系1/
系系2
M12
M12
M12
M12||tt ||M16
ME
M16
M16
M16
M20
M24/M22
M24/M22| |tt||M24/M22
M24/M22
M27
M27
M27
M30
IM33/M30||tt ||M33/M30
M33/M36
????????
??????
16
16
18
18
20
22
22
24
26
28
30
30|| tt||30
30
32
32
34
38
42
艺内很|| tt||R
16
20
27
34
18
66
80||tt| |93
112
138
164
200
225
251
279
331
383
433
46
485
536
50
F
6|| tt||学
11
11
12
12
12
12
平没环|| mm|
B
15
19
26
65
33
78
39|| tt||85
oo！
120
135
160
1.88
218
248||tt ||46
59
75
91
11o
133
161
.196||tt| |2781222
302
332
390
248
276
328
448
380
505
430
555
484
610
11
11
1|| tt||6
tt:
18
1
20
20
22
24||tt ||2.4
24
24
26
26
26
28
30
3t3
534
32
法善「想环
1.70 1 0.12
1 t. 77 1. 33
1.06 .27
3,2
tn.36
.8. 5
2. 36 , 4
2.810.79
13.46 :1.12
4.201.37
6i. 21
1.38
8.
2.64
10.3.29
11.401 3.53
13.20
4.3||tt ||16.20:5.29
18.10/6.034
123.307.15
31.7010,43
12.5113.60
48.15:14.36
61.5710.20. ：新电影电视应上海最作系统1尺中。
②）表1～表4中国际的艺音于设计下载系统2法些。 Additional description：
本标准由添加工业部添加深圳化研究是是今归！。本校由添动工业部添加档化研究、哈尔滨锅炉厂起草。本校于起草人李俊英、吴桢家。386

quantity
4
4
4
8
8
8
8|| tt||8
12
12
12
12
16
16
16||tt| |20
20
系系1/
系系2
M12
M12
M12
M12||tt ||M16
ME
M16
M16
M16
M20
M24/M22
M24/M22| |tt||M24/M22
M24/M22
M27
M27
M27
M30
IM33/M30||tt ||M33/M30
M33/M36
????????
??????
16
16
18
18
20
22
22
24
26
28
30
30|| tt||30
30
32
32
34
38
42
艺内很|| tt||R
16
20
27
34
18
66
80||tt| |93
112
138
164
200
225
251
279
331
383
433
46
485
536
50
F
6|| tt||学
11
11
12
12
12
12
平没环|| mm|
B
15
19
26
65
33
78
39|| tt||85
oo！
120
135
160
1.88
218
248||tt ||46
59
75
91
11o
133
161
.196||tt| |2781222
302
332
390
248
276
328
448
380
505
430
555
484
610
11
11
1|| tt||6
tt:
18
1
20
20
22
24||tt ||2.4
24
24
26
26
26
28
30
3t3
534
32
法善「想环
1.70 1 0.12
1 t. 77 1. 33
1.06 .27
3,2
tn.36
.8. 5
2. 36 , 4
2.810.79
13.46 :1.12
4.201.37
6i. 21
1.38
8.
2.64
10.3.29
11.401 3.53
13.20
4.3||tt ||16.20:5.29
18.10/6.034
123.307.15
31.7010,43
12.5113.60
48.15:14.36
61.5710.20. ：新电影电视应上海最作系统1尺中。
②）表1～表4中国际的艺音于设计下载系统2法些。 Additional description：
本标准由添家工业部添加深圳化研究是是以归！。本校由添加工业部添加档化研究品、哈尔滨锅炉厂起草。本校于起草人李俊英、吴桢家。386
20
Note: () The series 1 flange connection dimensions in Table 1 to Table 4 are interchangeable with the national and German flange standard sizes: the series 2-inch sizes are interchanged with the original machine standard flange dimensions: New Product design should give priority to Series 1.
②) The theoretical masses of flanges listed in Tables 1 to 4 refer to Series 2 methods. Additional notes:
This standard was proposed and incorporated by the Machinery Standardization Research Institute of the Ministry of Machinery Industry! . This standard was drafted by the Machinery Standardization Research Institute of the Ministry of Machinery Industry and Harbin Boiler Factory. The main drafters of this standard are Li Junying and Wu Zhenjia. 386
20
Note: () The series 1 flange connection dimensions in Table 1 to Table 4 are interchangeable with the national and German flange standard sizes: the series 2-inch sizes are interchanged with the original machine standard flange dimensions: New Product design should give priority to series 1.
②) The theoretical masses of flanges listed in Tables 1 to 4 refer to series 2. Additional notes:
This standard is proposed and owned by the Machinery Standardization Research Institute of the Ministry of Machinery Industry! . This standard was drafted by the Machinery Standardization Research Institute of the Ministry of Machinery Industry and Harbin Boiler Factory. The main drafters of this standard are Li Junying and Wu Zhenjia. 386
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