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Double Sphere Rubber Bellows KF-9200

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Product Feature


The rubber joint can greatly reduce pipeline system vibration and noise, can solve the problem of joint displacement, axial expansion, etc.

According to different materials, it can be made into many kinds, adapt to many mediums and different environment.

Good sealing rubber, light weight, easy installation, long service life, and avoid contacting with sharp metal device.

If use overhead, can match with elastic support.

If pipeline pressure is high, should use bolt connect the flange both ends.

Technical Parameters



Nominal diameter(mm)
32～600
32～600
Nominal pressure(Mpa)
 1.0 
1.6
Testing pressure
Seal(Mpa)
1.1
1.76
Suitable temperature（°C）
-20°C～120°C
Suitable medium
Drinking water、sewage、seawater、food、medicines、gas、oil and acid

 

Main Raw Material

Flange
WCB Cold/Hot Galvanizing
Joint
EPDM/NBR

 

Reference Standard

Testing standard
API 598
End flange standard
DIN PN10 / PN16、ANSI 125# / 150#、BS4504 PN10 / PN16

 

Overall Dimension and Weight

Double Sphere Rubber Bellows KF-9200(图1)

Size
ΦD1
ΦD2
N-Φd
D
d
 Axialdisplacement

Horizontal 

displacement (mm)

Deflexion 

angle

Weight

（kg）

Extension
Compression
DN32
140
100
4-18
175
14
30
50
45
  35°
2.26
DN40
150
110
4-18
175
22
30
50
45
  35°
3.85
DN50
165
125
4-19
175
22
30
50
45
  35°
4.13
DN65
185
145
4-19
175
22
30
50
45
  35°
6.25
DN80
200
160
8-19
175
22
30
50
45
  35°
7.25
DN100
220
180
8-19
225
23
35
50
40
  35°
9.03
DN125
250
210
8-19
225
24.5
35
50
40
  35°
11.5
DN150
285
240
8-23
225
26
35
50
40
  35°
14.65
DN200
340
295
12-23
325
29
35
50
35
  30°
21.6
DN250
405
355
12-28
325
32
35
60
35
  30°
27.53
DN300
460
410
12-28
325
36
35
60
35
  30°
33.34
DN350
520
470
16-28
325
39
35
60
35
  30°

DN400
580
525
16-31
325
42
35
60
35
  25°

DN450
640
585
20-31
325
45
35
60
35
  25°

DN500
715
650
20-34
325
48
35
60
35
  25°

DN600
840
770
20-37
325
55
35
60
35
  25°


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