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Expansion, expansion joints, expansion joints, pipe expansion pipe, steel expansion, limit expansion pipe, casing expansion, dresser

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VSSJA-2 double flange limited telescopic joint
 VSSJA-2 double-flange limit expansion joints suitable for conveying water, fresh water, hot and cold water, drinking water, sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, temperature no higher than 250 degreesvapor and particulate powder and other media.
Double flange limited telescopic joint function introduced
   Double flange limited telescopic joint model VSSJA-2 or B2F type flange connection on both sides of the pipeline, installed in the pipe and the valve is connected both to compensate for the amount of stretching of the pipeline and valve repair provides a convenient.
    VSSJA-2 double flange limited telescopic joint loose telescopic joint, and a flange limit short tube combination. Double flange limited telescopic joint to prevent pipeline leak and damage compensation joints caused due to excessive displacement, mainly used for loose tube connection in the allowable range of displacements absorb axial displacement and to withstand axial pressure thrust pipeline.
The double flanged limit expansion joint installation instructions
    VSSJA-2 double flange limited telescopic joint applies to both sides are connected to the flange, install, adjust the length of the products at both ends with a flange connection angle turn, tighten the gland bolts evenly, and then adjust the limit nut so will be able to let the pipeline can freely retractable telescopic amount range, locking telescopic amount to ensure the safe operation of the pipeline.



VSSJA-2 dual flange limit expansion joint material table

名称
数量
材料
1
本体
1
QT400-15、Q235A、ZG230-450、20
2
密封圈
1
NBR
3
压盖
1
QT400-15、Q235A、ZG230-450、20
4
限位短管法兰
1
Q235A、20、16Mn
5
螺母
4n
Q235A、20、1Cr18Ni9Ti
6
长螺柱
n
Q235A、35、1Cr18Ni9Ti
7
螺柱
n
Q235A、35、1Cr18Ni9Ti

VSSJA-2 double flange limited telescopic joint installation data table

公称通径
管子外径
外形尺寸
伸缩量
法兰连接尺寸
Dw
L
L1
0.6MPa
1.0MPa
D
D1
n-d。
D
D1
n-d。
65
76
340
105
50
160
130
4-¢14
185
145
4-¢18
80
89
190
150
4-¢18
200
160
8-¢18
100
108
210
170
220
180
114
125
133
240
200
8-¢18
250
210
140
150
159
265
225
285
240
8-¢22
168
200
219
320
280
340
295
250
273
370
335
12-¢18
395
350
 
12-¢22
300
325
350
130
65
440
395
12-¢22
445
400
350
377
490
445
505
460
16-¢22
400
426
540
495
 
16-¢22
565
515
16-¢26
450
480
595
550
615
565
20-¢26
500
530
645
600
20-¢22
670
620
600
630
755
705
20-¢26
780
725
20-¢30
700
720
860
810
24-¢26
895
840
24-¢30
800
820
590
220
130
975
920
24-¢30
1015
950
24-¢33
900
920
1075
1020
1115
1015
28-¢33
1000
1020
1175
1120
28-¢30
1230
1160
28-¢36
1200
1220
1405
1340
32-¢33
1455
1380
32-¢40
1400
1420
1630
1560
36-¢36
1675
1590
36-¢42
1500
1520
1730
1660
-
-
-
1600
1620
1830
1760
40-¢36
1915
1820
40-¢48
1800
1820
2045
1970
44-¢40
2115
2020
44-¢48
2000
2020
2265
2180
48-¢42
2325
2230
48-¢48
2200
2220
2475
2390
52-¢42
2550
2440
52-¢56
2400
2420
2685
2600
56-¢42
2760
2650
56-¢56

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