Vulcanization Goodyear 3B12-304 Convoluted Air Bellows for Vibration Isolation
| Attribute | Value |
|---|---|
| Supplier | AIRSUSTECH |
| Model Number | 3B12-304 |
| Working Stroke | 13.2 Inches |
| Goodyear Bellows No. | 578-93-3-100 |
| Bellows Type | Triple Convoluted |
| Suspension System | Air Spring Suspension |
| Pressure Ability | 3-8 Bar |
| Port Size | 1/4 NPTF |
The AIRSUSTECH Air springs are highly durable, precisely engineered and cost-effective for use in a wide variety of actuation and vibration isolation applications. With time-tested designs, fabric-reinforced Neoprene or Natural Rubber flex member construction and corrosion-protected end retainers, air springs provide superior quality and performance. We offers a variety of air spring types to meet your actuation or isolation needs. The Single, Double and Triple Convoluted Bellows, Rolling Lobe and Sleeve Types are available in a wide range of sizes, with the End Retainer Style required for your installation.
Cover Plate
Top Cover Plate Diameter: 9.00 inches
Screw Center Distance of Top Cover Plate: 6.20 inches
Bottom Cover Plate Diameter: 9.00 inches
Screw Center Distance of Bottom Cover Plate: 6.20 inches
Nuts/Blind Nuts
Top Cover Plate Screw (Nut) Tooth: 2×3/8-16UNC
Bottom Cover Plate Screw (Nut) Tooth: 2×3/8-16UNC
Gas Hole/Gas Fitting/Air Hole/Air Inlet
Air Inlet: 1/4 NPTF
Rubber Bellow
Minimum Height: 4.8 inches
Maximum Height: 18.0 inches
Bellows Structure: triple convolutions
| Manufacturer | Cross References |
|---|---|
| Goodyear | 3B12-304 3B12304 3B12 304 |
| Firestone | W01-358-8006 W013588006 W01 358 8006 |
| Contitech | FT 330-29 430 FT 33029 430 FT 330 29 430 |
| Goodyear Bellows No. | 578933100 578-93-3-100 578 93 3 100 |
| Triangle | 6334/4430 |
| Leland | Sc2132 |
| Arvin Meritor | 200320 |
- Rubber air springs are innovative products that combine rubber and air spring technology and are widely used in a variety of applications. They are primarily used to absorb and reduce vibration and impact during mechanical movement, providing a smoother ride.
- In the automotive industry, convoluted air bags are commonly used in suspension systems to help maintain vehicle stability on bumpy roads or at high speeds, enhancing ride comfort.
- Beyond the transportation sector, air shock springs are also used in industrial machinery, such as cranes and excavators, to reduce vibration during operation and extend equipment life.
- Air bellows are also used in sports equipment, furniture, and medical devices, providing cushioning and support to meet diverse needs. Due to their compact size, lightweight design, and durability, rubber air springs have become a vital component in modern engineering.
| Part No. | Usable Stroke | Max Dia. @ 100 psi In | Min Height Inches | Max Height Inches | Bumper | Force At Actuator Height Limit (Pounds) | Force At Compressed Height Limit (Pounds) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 psi | 80 psi | 60 psi | 40 psi | 100 psi | 80 psi | 60 psi | 40 psi | ||||||
| 3B12-305 | 13.3 | 13 | 4.7 | 18 | NO | 29.25 | 2165 | 1370 | 735 | 10165 | 7915 | 5855 | 3960 |
| 3B14-351 | 10.9 | 15.5 | 7.3 | 18.2 | YES | 4770 | 3385 | 1935 | 940 | 13885 | 10550 | 7810 | 5220 |
| 3B14-353 | 10.9 | 15.5 | 7.3 | 18.2 | NO | 4770 | 3385 | 1935 | 940 | 13885 | 10550 | 7810 | 5220 |
| 3B14-354 | 13.5 | 15.5 | 4.7 | 18.2 | NO | 4770 | 3385 | 1935 | 940 | 15200 | 11080 | 8240 | 5220 |
| 3B14-361 | 13.5 | 15.5 | 4.7 | 18.2 | NO | 4770 | 3385 | 1935 | 940 | 15200 | 11080 | 8240 | 5220 |
| 3B15-375 | 12.3 | 16.5 | 4.7 | 17.0 | NO | 6165 | 4775 | 3470 | 2225 | 16650 | 13275 | 9765 | 6555 |
| 3B15-376 | 9.7 | 16.5 | 7.3 | 17.0 | YES | 6165 | 4775 | 3470 | 2225 | 14925 | 11865 | 8905 | 5945 |
| 3B15-377 | 12.3 | 16.5 | 4.7 | 17.0 | NO | 6165 | 4775 | 3470 | 2225 | 16650 | 13275 | 9765 | 6555 |
| 3B15-378 | 9.7 | 16.5 | 7.3 | 17.0 | YES | 6165 | 4775 | 3470 | 2225 | 14925 | 11865 | 8905 | 5945 |
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