Pneumatic Rubber Air Spring Contitech FT 330-29 520
Used for Triangle 6334/4520 and compatible with multiple industrial brands including Firestone, Goodyear, and Granning/Tuthill.
AIRSUSTECH Part No.: 3B7996 Specifications
Cover Plate Dimensions
Top Cover Plate Diameter:
231 mm
Top Screw Center Distance:
140 mm
Bottom Cover Plate Diameter:
231 mm
Bottom Screw Center Distance:
140 mm
Nut Specifications
Top Cover Plate Screw Tooth:
3/8-16 UNC
Bottom Cover Plate Screw Tooth:
3/8-16 UNC
Air Inlet Specifications
Air Hole Types:
1/4 NPTF, 3/4-16 UNC
Rubber Bellow Dimensions
Maximum Diameter:
330 mm
Minimum Height:
130 mm
Maximum Height:
460 mm
Compatible Models
- Firestone W01-358-7996
- Firestone WO1-358-7996
- Firestone W013587996
- Firestone WO13587996
- Firestone W01 358 7996
- Firestone WO1 358 7996
- Firestone W01-358-7938
- Firestone WO1-358-7938
- Firestone W013587938
- Firestone WO13587938
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- Firestone W01 358 7938
- Firestone WO1 358 7938
- Contitech FT 330-29 520
- Contitech FT 33029 520
- Contitech FT 330 29 520
- Goodyear 3B12-335
- Goodyear 3B12335
- Goodyear 3B12 335
- Goodyear Bellows NO. 578-93-3-100
- Goodyear Bellows NO. 578933100
- Goodyear Bellows NO. 578 93 3 100
- Triangle 6334/4520
- Granning/Tuthill 8221
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AIRSUSTECH 3B7996 Air Spring Functions
Vibration Isolation
The 3B7996 air spring effectively isolates vibration from industrial machinery by using compressed air as the elastic medium. This absorption of shocks and vibrations improves equipment stability, reduces operating noise, and extends mechanical component service life.
Pneumatic Actuation
This triple convoluted air bellows functions as a pneumatic actuator, producing powerful linear lifting force when compressed air enters. The friction-free movement with minimal maintenance makes it ideal for lifting, pressing, clamping, and positioning applications.
High Load Capacity
The triple convoluted design provides greater stroke and load capacity than single or double convoluted air springs, delivering forces exceeding 44 kN under recommended operating conditions for demanding industrial environments.
Stable Load Support
Adjustable air pressure allows the pneumatic air spring to maintain stable operating performance under varying loads, ensuring consistent working height and improved process accuracy without complex mechanical adjustments.
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AIRSUSTECH Air Spring Types
Advanced Manufacturing Capabilities