Spring Isolators VT4412 and VT4422
Product Characteristics
Very soft spring isolators with low natural frequency designed for loading in compression only.
Scrolls: aluminium
Weights for VT4412 (depending on suffix): 0.13 – 0.21 kg
Weights for VT4422 (depending on suffix): 1.20 – 1.50 kg
Maximum excitation amplitude: ± 1 mm.
Mechanical strength: 2 g
Natural frequency: 6 – 8 Hz
Amplification factor: < 4
Temperature range: -90° to +300° C.
Product Applications
Vibration isolation of machines rotating at ≥ 800 rpm – fans, compressors, generating sets, engines etc. with or without seismic blocks. Protection of fragile equipment from vibrations.
Note
The mounts are delivered without mounting plate, which can be ordered separately. For greater static loads, use multiple element isolators (consult us).
Technical Specifications
VT4412 and VT4422 technical specificationsspring-isolator-vt4412-and-vt4422-technical-specifications.xlsx
Dimensions spring
| Ref. | D | d | H | h |
| (mm) | (mm) | (mm) | (mm) | |
| VT4412 | 50 | M10 | 60 | 50 ± 2 |
| VT4422 | 80 | M12 | 90 | 80 ± 2 |
Dimensions mounting plate
| Ref. | L | l | J | B | C | E | Thickness |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | |
| VT4412 | 90 | 69.6 | 10 | 60 | 7 | 11 | 4 |
| VT4422 | 140 | 110 | 15 | 100 | 11 | 13 | 4 |
Load range
| Suffix | Load range in daN (≈kg) | |
| VT4412 | VT4422 | |
| -01 | 6 -10 | 40 - 85 |
| -02 | 8 - 14 | 65 - 125 |
| -03 | 12 - 20 | 110 - 190 |
| -04 | 18 - 30 | 175 - 270 |
| -05 | 24 - 46 | 250 - 400 |
| -06 | 40 - 75 | 360 - 560 |
| -07 | - | 450 - 780 |
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