Conti Tech Air Bellows
CONTI®
Single Convolution Air Springs

As actuators, these units have the lowest compressed height and can execute strokes of up to 129 mm and exert forces of up to 40kN. As vibration isolators, they serve as laterally stable mountings with a favourable design height; they cover a natural frequency of between 2.3 and 3.8 Hz.
CONTI®
Double Convolution Air Springs

As actuators, they perform strokes of up to 400 mm and exert forces of up to 900 kN. As isolators, they cover a natural frequency of between 1.7 and 2.6 Hz.
CONTI®
Triple convolution

As actuators, they perform strokes upto 440 mm from a very low compressed height and exert force of up to 400 kN.
CONTI®
Sleeve Type Air Springs

As actuators, these lightweight components execute strokes of up to 100 mm and can exert a constant force of up to 10 kN over the whole length of their stroke. As vibration isolators, they have a natural frequency of about 2 Hz. They can only be used if laterally guided.
CONTI®
Rolling Lobe Air Springs

As actuators, these units perform strokes of up to 260 mm and can exert a constant force of up to 45 kN over the whole length of their stroke. As vibration isolators, they have a natural frequency of between 1.2 and1.6 Hz. They can only be used if laterally guided.
Designation Type CONTI® Air Actuator Data Table
Force at 8 bar Maximum
stroke
(mm)
Minimum
height
(mm)
Required
Installation
diameter
(mm)
at min.
height
at half
stroke
at Max
stroke
kN kN kN
Single Convolution
FS 0  -  6 7.4 5.3 2 60 50 160
FS

50  -  5

9.1 6.4 2.1 44 51 165
FS 70  -  7 10 8 5.2 64 51 180
FS 120  -  10 19.6 15 4.6 99 51 245
FS 200  -  10 24 18.5 9 89 51 265
FS 330  -  11 44 37 23 99 51 340
FS 530  -  11 68 56 23 124 51 400
Double Convolution
FD 40  -  10 7.4 5.5 2.5 100 70 160
FD 70  -  13 11.5 8 2.7 128 72 180
FD 120  -  20 20 14.8 5.5 193 77 235
FD 200  -  19 26.5 18 5.5 200 75 265
FD 330  -  22 46 35.5 14 230 75 340
FD 530  -  22 66 55 22 233 77 400
FD 960  -  221) 107 85 31 226 84 490
FD 1330  -  251) 145 114 54 246 84 570
FD 1710  -  251) 186 150 62 251 84 620
FD 1730  -  401) 161 135 55 400 100 650
FD 2380  -  241) 245 205 108 231 84 710
FD 2870  -  301) 278 245 110 271 84 760
FD 5450  -  281) 525 440 270 283 107 1000
Triple Convolution
FT 330  -  29 46 36 18 320 110 345
FT 530  -  32 71 56 25 325 110 410
FT 530  -  35 77 57 27 395 115 430
FT 960   -  341) 110 85 40 336 114 510
FT 5450  -  441) 520 440 280 440 140 1000
Sleeve Type
SK 19  -  4 1.42 1.08 0.25 33 30 70
SK 37  -  6 3 3 1.2 46 38 100
SZ 35  -  11 2.2 2.2 1.9 110 95 100
SZ 50  -  11 3.3 3.3 2.8 105 95 115
SZ 70  -  11 5.7 5.75 5 105 95 140
SZ 100  -  11 7.8 7.8 5.4 105 95 170
SZ 140  -  11 11 11 8 105 95 190
Rolling Lobe
RZ 330  -  22 28.8 28.8 21 215 165 285
RZ 640  -  26 55 55 40 280 180 385
1) With bead rings
 
Designation Type CONTI® Air Isolator Data Table
Load at
recommended
operating height [kN]
Natural frequency at
recommended
operating height [Hz]
Recommended
operating
height
mm
Required
Installation
diameter
mm
5 bar 8 bar 5 bar 8 bar
Single Convolution
FS 0  -  6 2.8 4.4 3.3 3.2 90 160
FS

50  -  5

3.8 6.08 3.7 3.6 75 165
FS 70  -  7 4.7 7.7 2.9 2.7 90 180
FS 120  -  10 8.2 13.3 2.6 2.5 115 245
FS 200  -  10 9.6 15.7 2.6 2.6 110 265
FS 330  -  11 17.8 29 2.4 2.3 130 340
FS 530  -  11 26.5 42.2 2.4 2.3 145 400
Double Convolution
FD 40  -  10 1.95 3.2 2.7 2.7 160 160
FD 70  -  13 3.1 5 2.5 2.5 175 180
FD 120  -  20 7.8 12.7 1.8 1.7 205 235
FD 200  -  19 9 14.5 1.9 1.9 210 265
FD 330  -  22 16.7 27.6 1.8 1.7 240 340
FD 530  -  22 25.8 42 1.8 1.7 250 400
FD 960  -  221) 45.6 71.5 1.6 1.6 240 490
FD 1330  -  251) 65.3 103.9 1.6 1.5 240 570
FD 1710  -  251) 86.6 136.6 1.6 1.5 240 620
FD 1730  -  401)            
FD 2380  -  241) 114.9 186.1 1.6 1.5 240 710
FD 2870  -  301) 138.7 217.6 1.5 1.4 265 760
FD 5450  -  281) 260.8 415.3 1.4 1.3 280 1000
Triple Convolution
FT 330  -  29            
FT 530  -  32            
FT 530  -  35            
FT 960   -  341)            
FT 5450  -  441)            
Sleeve Type
SK 19  -  4 0.72 1.15 3.3 3.2 45 70
SK 37  -  6 1.9 3.1 2.7 2.6 60 100
SZ 35  -  11 1.4 2.25 2.1 2 150** 100
SZ 50  -  11 2 3.3 1.9 1.9 150** 115
SZ 70  -  11 3.5 5.7 2 1.9 150** 140
SZ 100  -  11 4.7 7.8 1.9 1.8 150** 170
SZ 140  -  11 6.7 10.9 2.2 2.1 140** 190
Rolling Lobe
RZ 330  -  22 18 29.7 1.5 1.5 290** 285
RZ 640  -  26 33.5 54.2 1.2 1.2 350** 385
** Can only be used if laterally guided
 
 
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