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- Double Convolution Air Spring
- 2-Ply Bellows
- Style #21
- Blind Nuts
- 3/4 NPT Air Inlet
description
- Firestone air springs are time-proven industrial actuators and vibration isolators. As an actuator, air springs offer a unique ability to provide linear or angular motion in a very low profile when compared to air cylinders. Their unique, flexible properties lend well to numerous duties on machines that press, tension, roll, convey, lift and package. As an isolator, air springs are effective in reducing the harmful effects of vibration.
applications
- Industrial actuator
- Vibration isolator
- Press machines
- Conveyors
- Lifts
- Packaging machines
features
- Two-ply, fabric-reinforced rubber
- Flexible media
- Provides linear and angular motion
- Reduces harmful effects of vibration
| Bumpers | w/o Bumpers |
| Force @ 8 in Stroke | N/A |
| Force @ 2 in Stroke | N/A |
| Force @ 9 in Stroke | N/A |
| Force @ 4 in Stroke | N/A |
| Temperature Range [Max] | 135 °F |
| Convolutions | Double |
| Compressed Height | 3.2 in |
| Stroke Length [Max] | 6.900 in |
| End Closure | Type 2 Bead Plate |
| Blind Tap Spacing | 6 1/4 in |
| Air Inlet Type | NPT |
| Force @ 1 in Stroke | 12875 lbf |
| Force @ 3 in Stroke | 11638 lbf |
| Style No. | 21 |
| Pressure [Max] | 100 psi |
| Force @ 6 in Stroke | N/A |
| Bellows Type | Double Convolution |
| Temperature Range [Min] | -35 °F |
| Force @ Stroke (100 psi) | 12875 lbf @ 1 in, 11638 lbf @ 3 in |
| Force @ 5 in Stroke | N/A |
| Force @ Maximum Stroke (100 psi) | 7088 lbf |
| Air Spring Description | Blind Nuts |
| Air Inlet | 3/4 in |
| Force @ 12 in Stroke | N/A |
| Weight | 17.3 LB |
| EAN or UPC | 767555003831 |
