Continental FD 138-18 DS 8×2 Norgren M/31082 Industrial 2 Convoluted Rubber Air Springs With G1/2 Air Inlet
Cross Reference.
Manufacturer Contitech:FD 138-18 DS
Contitech:FD 138-18 DS
AIRSUSTECH Part Number:2B8X2
Norgren M / 31082
Norgren Model: M/31082
Place of production: Imported from the UK
Brand Name: Nuoguan
Model: M/31082
Quality assurance: one year
Packaging cartons
ContiTech (Continental) Model: FD138-18 DS
Place of production: imported from Germany
Brand Name: ContiTech
Model: FD138-18
Quality assurance: one year
Packaging cartons
| Type | Order No. |
| Rubber bellows only | 66501 |
| with dismountable plates, G1/2 air inlet | 66505 |
Specifications and Detailed Technical Parameters:FD 138-18 DS
Nut/blind nut
Top plate screw (nut) teeth: 4×M10
The screw center distance of the top cover plate: 155.5mm
Screw (nut) teeth of the bottom cover plate: 4×M10
The screw center distance of the bottom cover plate: 155.5 mm
Air hole/air inlet/air fittings
Air hole/air inlet: G1/2
The screw center distance between the air hole and the nut: 72.75mm
Cover plate
Top plate diameter: 184mm
Diameter of the bottom cover: 184mm
Rubber Bellows
Maximum diameter of rubber bellows: 230 mm
Natural diameter of rubber bellows: 205 mm
Working stroke: minimum 75 mm to maximum 250 mm
Maximum height: 250 mm
Minimum height: 75 mm
Stroke height: 175 mm
Required Installation Space: 245mm
Bumper block/bumper block
Without bumper block
Belt loop/Girdle ring/Girdle hoop
One piece of belt loop/girdle hoop/girdle ring
Min. pressure 0 bar
Return force to min height ≤ 300 N
Overall weight 3.5 kg
| Vibration isolation – dynamic characteristic values Design height H: recommended 200mm, minimum 180mm |
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] |
| Force (Load) [kN] | 3.9 | 5.3 | 6.7 | 8.2 | 9.7 | 11.3 |
4.1
|
| Spring rate [N/cm] | 760 | 970 | 1185 | 1400 | 1610 | 1815 |
| Natural frequency [Hz] | 2.2 | 2.2 | 2.1 | 2.1 | 2.1 | 2.0 |
| Pneumatic application – static characteristic values Force F [kN] |
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] |
| Height H [mm] | 220 | 2.9 | 4.0 | 5.2 | 6.4 | 7.7 | 9.0 | 4.3 |
| 200 | 3.9 | 5.3 | 6.7 | 8.2 | 9.7 | 11.3 | 4.1 |
| 150 | 5.9 | 8.0 | 10.1 | 12.4 | 14.7 | 16.9 | 3.2 |
| 100 | 8.2 | 11.0 | 13.7 | 16.6 | 19.4 | 22.4 | 2.0 |
Advantages of airbags
1. The elastic coefficient of spring expansion can be controlled;
2. Adjustable load carrying capacity;
3. Easy to achieve height control;
4. Reduce friction;
5. The load changes, but the natural frequency is basically unchanged.
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2 Convoluted Rubber Industrial Air Springs With G1/2 Air Inlet Continental FD 138-18 DS 8×2 Norgren M/31082 Images
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