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Single Sphere Rubber Bellows KF-9100

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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)
32～1200
32～1200
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

Single Sphere Rubber Bellows KF-9100(图1)

Size
ΦD1
ΦD2
N-Φd
D
d
Extension
Compression

Horizontal 

displacement (mm)

Deflexion 

angle

Weight

（kg）

DN32
140
100
4-18
95
16
6
9
9
 
15°
3.4
DN40
150
110
4-18
95
18
6
10
9
 
15°
4
DN50
165
125
4-19
105
18
7
10
10
 
15°
5.5
DN65
185
145
4-19
115
20
7
13
11
 
15°
6.7
DN80
200
160
8-19
135
20
8
15
12
 
15°
7.7
DN100
220
180
8-19
150
22
10
19
13
 
15°
9.4
DN125
250
210
8-19
165
24
12
19
13
 
15°
12.7
DN150
285
240
8-23
180
24
12
20
14
 
15°
15.8
DN200
340
295
12-23
210
24
16
25
22
 
15°
20
DN250
405
355
12-28
230
28
16
25
22
 
15°
29.22
DN300
460
410
12-28
245
28
16
25
22
 
15°
32.8
DN350
520
470
16-28
255
28
16
25
22
 
15°
41.3
DN400
580
525
16-31
255
30
16
25
22
 
15°
55.6
DN450
640
585
20-31
255
30
16
25
22
 
15°
61.8
DN500
715
650
20-34
255
32
16
25
22
 
15°
69.4
DN600
840
770
20-37
260
36
16
25
22
 
15°
96.8
DN700
910
840
24-37
320
36
16
25
22
 
15°

DN800
1025
950
24-41
340
36
16
25
22
 
15°

DN900
1125
1050
28-41
370
36
16
25
22
 
15°

DN1000
1255
1170
28-44
400
36
18
26
24
 
15°

DN1200
1485
1390
32-50
420
36
18
26
24
 
15°


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