Front Or Rear Double Convoluted Air Actuator M8 Continental FD120-17CIG3/4CA
M8 Continental FD120-17CIG3/4CA Double Convoluted Air Actuator
Cross Reference
Continental/Contitech: FD 120-17 CI; FD120-17CI; FD 120-17 CI G 3/4 CA; FD120-17CIG3/4CA; FD 120-17 CI G3/4 CA; 2682030000
Airkraft: 113053; 2B-181
FD 120-17 CI G3/4 Tecnical Data
Max Inflation Pressure: 120 psi
Air Inlet Type: Metric
Air Inlet: 3/4"
Series: C
Bellows Type: Double Convoluted
Weight: 0.2 lbs.
Top plate diameter: 141mm
Bottom plate diameter: 141mm
Top plate mounting threads: 2pcs ×M8
The screw center distance of top plate: 70mm
Bottom plate mounting threads: 2pcs ×M8
The screw center distance of bottom plate: 70mm
Air inlet: G3/4, Centered
Max. Rubber Bellow Diameter: 215mm
Min. Height: 75mm
Max. Height: 230mm
Bumper: No
Girdle hoop: 1 piece
Min. pressure: 0 bar
Return force to min height: ≤ 200 N
Overall weight :2.3 kg
Design height H: recommended 190mm, minimum 175mm
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] |
| Force (Load) [kN] | 3.8 | 5.2 | 6.5 | 8 | 9.3 | 10.6 | 3.8 |
| Spring rate [N/mm] | 60 | 83 | 106 | 129 | 152 | 175 | 3.8 |
| Natural frequency [Hz] | 2.1 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 3.8 |
Pneumatic application – static characteristic values
| Pressure p[bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol.V[l] | |
| Height H[mm] | 200 | 3.4 | 4.75 | 5.9 | 7.25 | 8.5 | 9.7 | 4 |
| 180 | 4.18 | 5.65 | 7.05 | 8.6 | 10.1 | 11.5 | 3.6 | |
| 160 | 4.9 | 6.5 | 8.13 | 9.85 | 11.5 | 13.1 | 3.3 | |
| 140 | 5.48 | 7.24 | 9.05 | 10.9 | 12.7 | 14.5 | 3 | |
| 120 | 5.98 | 7.93 | 9.9 | 11.9 | 13.9 | 15.8 | 2.7 | |
| 100 | 6.43 | 8.54 | 10.7 | 12.9 | 15.1 | 16.9 | 2.3 | |
| 80 | 6.8 | 9.05 | 11.3 | 13.7 | 15.9 | 17.9 | 2 | |
Air spring components
1. Blind Nut (Threaded Hole)
A permanent part of the bead plate assembly providing an alternative mounting system to the Stud.
2. Air Fitting Hole
A tapped hole providing air entrance for the part.
3. Bead Plate (Top Plate)
Permanently crimped onto the bellows, diaphragm during manufacture.
4. Bellows
The heart of the airspring. Includes at least four ply, or layers of material - an inner layer, two ply of cord reinforced fabric and an outer layer.
5. Bumper (Bump Stop)
A solid moulded rubber fail safe device used on many suspension applications. Prevents excessive damage to the vehicle and suspension in the case of sudden air pressure loss.
6. Girdle Hoop (Centre Ring)
A ring between the convolutions of the convoluted type air spring, helps provide stability in the part.
The picture of FD 120-17 G3/4
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