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FD 1330-25 RS Contitech Air Springs Cross Firestone W01-358-7227 Rubber bellows W01-358-0205
Industrial Double Convoluted Air Spring Specifications
Contitech FD 1330-25 RS UNF,
Contitech FD 1330-25 RS UNF,
Style 203
Two Ply Bellows
Ribbed neck aluminum bead rings (equal spacing),
17/8 bolts, nuts, washers
Firestone W01-358-7227
Ribbed neck aluminum bead rings (equal spacing) 11/4 b,n,w
W01-358-7225
Rolled plate assembly*, 1/2 blind nut 3/4 NPT
W01-358-7273
Rubber bellows only
W01-358-0205
Force to collapse to minimum height (@ 0 PSIG):40 lbs.
bellows type industrial air spring,
double helix,
effective area 1330cm square,
maximum stroke 25cm,
stud bolt installation,
inch seal ring
Manufacturer: Mainland
Maximum inflation pressure
120 psi
series
RS
Bellows type
Double convolution
Assembly weight
25 pounds
| Bead ring Type | 4 | Maximum Diameter @ 7 Bar (mm) | 508 |
| Dim. C (Bolt Circle Diameter mm) | 419 | Maximum Height (mm) | 84 |
| # of Bolts (each ring) | 24 | Maximum Stroke (mm) | 183 |
| Design Height (mm) | 241 | Minimum Usable Height (mm) | 267 |
| Load (at Design Height) at: 3 Bar (kN) | 34.9 | Force in kN @ 5 Bar at Stroke of 25 mm | 86.3 |
| Load (at Design Height) at: 5 Bar (kN) | 80.6 | Force in kN @ 5 Bar at Stroke of 50% of Max Stroke | 75.1 |
| Load (at Design Height) at: 7 Bar (kN) | 84.5 | Force in kN @ 5 Bar at Stroke of Maximum Stroke | 52.1 |
| Natural Frequency (@5 Bar)(fn(Hz) | 1.6 | Style Cross-Ref High Strength Style Number | 218 |
| % of Isolation at Forced Frequency 7 Hz | 93.9 | Material | 2-Ply Standard Cord |
| % of Isolation at Forced Frequency 13 Hz | 98.5 | % of Isolation at Forced Frequency 25 Hz | 99.6 |
Other Uses
• Use as a protective boot or flexible coupling
• Use when the application requires a rapid flow of air in and out of the air spring
• Stack multiple air springs together for increased stroke capabilities
