Project
|
DN DNmm
|
200 ~ 300 (8-12 ")
|
50 ~ 150 (2-6 ")
|
|
JGD-Ⅰ
|
JGD-Ⅱ
|
JGD-Ⅲ
|
||
Working pressure MPa (kgf / cm 2 )
|
1.0 (10)
|
1.6 (16)
|
2.5 (25)
|
|
Bursting Pressure MPa (kgf / cm 2 )
|
2.0 (20)
|
3.0 (30)
|
4.5 (45)
|
|
Vacuum KPa (mm / Hg)
|
40 (300)
|
53.3 (400)
|
86.7 (650)
|
|
Temperature ℃
|
-15 ~ 115 -30 ~ 250 special
|
|||
Medium
|
Air, compressed air, water, sea water, hot water, oil, acids, alkalis and other chemical substances
|
Nominal diameter, length, displacement values flange main data table
Nominal by
|
Length L
mm |
Flange thickness b
mm |
Number of bolts
n |
Bolt hole
diameter mm |
Center bolt hole
diameter mm |
Axial displacement mm
|
Lateral displacement
mm |
Deflection angle
(a 1 + a 2 ) |
||
mm
|
Inch
|
Elongation
|
Compression
|
|||||||
50
|
2
|
165
|
18
|
4
|
17.5
|
125
|
30
|
50
|
45
|
35 °
|
80
|
3
|
175
|
20
|
8
|
17.5
|
160
|
35
|
50
|
45
|
35 °
|
100
|
4
|
225
|
22
|
8
|
17.5
|
180
|
35
|
50
|
40
|
35 °
|
125
|
5
|
230
|
24
|
8
|
17.5
|
210
|
35
|
50
|
40
|
35 °
|
150
|
6
|
325
|
24
|
8
|
22
|
240
|
35
|
50
|
40
|
35 °
|
200
|
8
|
325
|
24
|
8
|
22
|
295
|
35
|
50
|
40
|
35 °
|
250
|
10
|
325
|
28
|
12
|
22
|
350
|
35
|
60
|
35
|
30 °
|
300
|
12
|
325
|
28
|
12
|
22
|
400
|
35
|
60
|
35
|
30 °
|
350
|
14
|
28
|
16
|
23
|
23
|
460
|
35
|
60
|
40
|
25 °
|
400
|
16
|
30
|
16
|
25
|
25
|
515
|
35
|
50
|
40
|
25 °
|
450
|
18
|
30
|
20
|
25
|
25
|
565
|
35
|
50
|
40
|
25 °
|
500
|
20
|
32
|
20
|
25
|
25
|
620
|
35
|
50
|
35
|
25 °
|
750
|
30
|
|
|
|
|
|
35
|
50
|
30
|
25 °
|
1000
|
40
|
44
|
28
|
34
|
34
|
1160
|
35
|
50
|
30
|
25 °
|
1200
|
48
|
48
|
32
|
41
|
41
|
1380
|
350
|
50
|
30
|
25 °
|
Note: 1. If the medium is oil, corrosive substances, with special temperature requirements of the working environment, order stating.
2 flange meet BG4216.3 ~ 4216.5 standard, for the schedule.
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