Triple Convoluted 3B7994 Replaces Firestone Air Spring W01-358-7994/FT 330-29 546 Shock Absorber
OEM NO.
| Contitech | FT 330-29 546 |
| Contitech | FT 330 29 546 |
| Contitech | FT330-29 546 |
| Contitech | FT330 29 546 |
| Contitech | FT33029546 |
| Contitech | 64572 |
| Firestone | W01-358-7994 |
| Firestone | W01 358 7994 |
| Firestone | W013587994 |
| Goodyear | 3B12-328 |
| Goodyear | 3B12 328 |
| Goodyear | 3B12328 |
| Triangle | 4546 |
| Triangle | 6364 |
| Watson&chalin | AS-0019-F |
| Watson&chalin | AS 0019 F |
| Watson&chalin | AS0019F |
| Euolid/meritor After market | E-FS7994 |
| Euolid/meritor After market | E FS7994 |
| Euolid/meritor After market | EFS7994 |
Specifications and Detailed Technical Parameters: 3B7994
Top plate screw (nut) teeth: 3/8-16UNC,3/4-16UNC
Bottom cover plate screw (nut) teeth: 2×3/8-16UNC
The screw center distance of the Top cover plate: 140 mm
The screw center distance of the bottom cover plate: 157.5 mm
- Air hole/air inlet/air fittings
Air hole/air inlet: 1/4NPTF
Top plate diameter (width): 231 mm
Diameter (width) of the bottom cover plate: 231 mm
Rubber bellows stroke: 130mm-460mm
- Bumper block/bumper block
With bumper block
With belt loop: Two belt loop
Min. pressure: 0 bar
Return force to min.height: ≤400N
Overall weight with clamped plates: 5.9kg
Pneumatic application-static characteristic values
Force F[KN]
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] |
| Height H[mm] | 380 | 8.8 | 11.9 | 15.1 | 18.4 | 21.7 | 25.1 | 23.6 |
| 340 | 10.7 | 14.4 | 18.2 | 22.0 | 25.9 | 29.8 | 21.6 |
| 300 | 12.3 | 16.5 | 20.8 | 25.1 | 29.5 | 33.7 | 19.2 |
| 260 | 13.7 | 18.2 | 22.9 | 27.6 | 32.3 | 36.9 | 16.6 |
| 220 | 14.8 | 19.5 | 24.6 | 29.6 | 34.6 | 39.5 | 13.8 |
| 180 | 15.9 | 21.1 | 26.5 | 31.8 | 37.2 | 42.4 | 10.7 |
| 140 | 17.0 | 22.4 | 28.1 | 33.6 | 39.1 | 44.7 | 7.5 |
The related picture of 3B7994
Air Bag 3B7994 can replace W01-358-7994/W01 358 7994/W013587994/WO1-358-7994/WO1 358 7994/WO13587994. It is the use of compressed air (water) as the medium, is the use of its internal compressed air reaction as an elastic restoring force of an elastic element. From the point of view of structure, compound air spring, is between the capsule type and membrane type of a type, it combines the advantages of the two kinds of air spring, has a lower spring stiffness, but the manufacturing process is complex.
Detection system
Our products through strict system testing, spring fatigue test, high and low test equipment,
Tensile testing machine, spring tensile testing machine, rubber dynamic and static testing equipment, rubber bushing fatigue testing machine, MTS testing equipment, air spring tightness test, fully are in line with international standards.
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Triple Convoluted 3B7994 Replaces Firestone Air Spring W01-358-7994/FT 330-29 546 Shock Absorber Images
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