Contitech FD 330-22 327 Double Convoluted 1/4NPT Rubber Industrial Air Spring
Cross Reference
Contitech:FD330-22 327
Contitech:FD 330-22 327
Contitech:FD330 22 327
Continental: FD 330-22 327
Continental: FD 330 22 327
Firestone:W01-358-7424
Firestone:W01 358 7424
Firestone:W013587424
Firestone:WO1-358-7424
Firestone:WO1 358 7424
Firestone:WO13587424
Goodyear:2B12-300
Goodyear:2B12 300
Triangle:6316
Triangle:4327
Brake & Wheel:M3509
Dayton : 3547424
Leland : Sc2024
Navistar : 554785C1
Hendrickson : S13043
Ridewell : 1003587424C
SAF Holland : Tc1442
Tuthill : 6421
Watson&Chalin : As000
Neway: 90557014(AL-41&45)
R & S Truck & Body: 1090215
2B7424 specifications and Tecnical Parameters
1. Nut/blind nut Top plate screw (nut) teeth: 2 x 1/2-13UNC
Top plate screw center distance : 157.5 mm
2. Bottom cover plate screw (nut) teeth: 2 x 1/2-13UNC
Bottom plate screw center distance : 157.5 mm
2. Air hole/air inlet/air fitting air hole/air inlet: 1/4NPT
Screw Center Distance Between Gas Hole and Nut : 73mm
3. Top plate diameter (width): 231mm, bottom cover diameter (width): 231 mm
4. Rubber bellows natural diameter: 298mm
Rubber bellows Max. diameter: 325mm
5. Min height: 81mm
Max. height: 305mm
6. Bumper block/bumper block without bumper
7. Belt loop/belt loop/girdle hoop: with one piece of belt loop/girdle hoop
Min. pressure: 0 bar
Return force to min.height: ≤300N
Overall weight with clamped plates: 5.1kg
Vibration isolation - dynamic characteristic values
Design Height H: recommended 240mm, minimum 220mm
| Pressure p[bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V[l] |
| Force(Load) [KN] | 10.0 | 13.3 | 16.7 | 20.6 | 24.1 | 27.6 | 12.0 |
| Spring rate [N/cm] | 1590 | 1900 | 2210 | 2520 | 2830 | 3140 |
| Natural frequency [Hz] | 2.0 | 1.9 | 1.8 | 1.8 | 1.7 | 1.7 |
Pneumatic application-static characteristic values
Force F[KN]
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] |
| Height H[mm] | 300 | 9.8 | 13.1 | 16.7 | 20.3 | 24.0 | 27.7 | 14.0 |
| 260 | 12.5 | 16.7 | 21.0 | 25.4 | 29.9 | 34.5 | 13.0 |
| 220 | 14.6 | 19.4 | 24.4 | 29.4 | 34.5 | 39.6 | 11.6 |
| 180 | 16.2 | 21.6 | 27.0 | 32.5 | 38.2 | 43.8 | 9.9 |
| 140 | 17.6 | 23.4 | 29.3 | 35.2 | 41.3 | 47.2 | 7.8 |
| 100 | 18.3 | 24.4 | 30.3 | 36.3 | 42.4 | 48.5 | 5.5 |
How rubber air springs work
When the rubber air spring works, the inner cavity is filled with compressed air to form a compressed air column. With the increase of the vibration load, the height of the spring decreases, the volume of the inner cavity decreases, the stiffness of the rubber spring increases, the effective bearing area of the inner cavity air column increases, and the bearing capacity of the rubber spring increases. When the vibration load decreases, the height of the rubber spring increases, the inner cavity volume increases, the stiffness of the rubber spring decreases, the effective bearing area of the inner cavity air column decreases, and the bearing capacity of the rubber spring decreases. In this way, within the effective stroke of the air spring, the height, inner cavity volume and bearing capacity of the air spring have a smooth and flexible transmission with the increase and decrease of the vibration load, and the high-efficiency control of the amplitude and vibration load. The stiffness and bearing capacity of the spring can also be adjusted by increasing or decreasing the air volume, and an auxiliary air chamber can also be attached to realize automatic adjustment.
The related picture of 2B7424 air spring
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FD 330-22 327 Contitech Air Spring Double Convoluted 1/4NPT Rubber Industrial Images
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