Shaftless spiral
Shaftless spirals are available in lengths between 3.000 and 4.000 mm. (material ST 52.3 and stainless steel 304). Spirals may be used for horizontal, inclined, or vertical conveyor purposes. VAV Aandrijvingen B.V. also delivers auxiliary spirals for any size. The following table shows the standard sizes of shaftless spirals.
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Shaftless spirals (parameters in mm)
| outer diameter | pitch | material height & thickness |
|---|
| 160 | 195 | 50 x 20 |
| 215 | 195 | 50 x 20 |
| 233 | 145 | 60 x 20 |
| 280 | 315 | 60 x 25 |
| 320 | 315 | 70 x 25 |
| 380 | 385 | 80 x 25 |
| 405 | 435 | 80 x 25 |
| 460 | 435 | 80 x 25 |
| 460 | 500 | 80 x 25 |
| 480 | 500 | 80 x 25 |
| 530 | 500 | 80 x 25 |
| 640 | 600 | 80 x 25 |
| 640 | 600 | 80 x 25 |
