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Coperion Werner& Pfleiderer develops and supplies hot cutting pelletizing equipment for thermoplastics, which has been used successfully for decades. The waterring pelletizer unit is used for practically all thermoplastics, including filled and strengthened products.
| Advantages: |  |  |
| - | | Simple start-up procedure |
| - | | Even die plate temperature |
| - | | No freezing-up of bored holes, even at low output rates |
| - | | Even-shaped pellets with simple die plate construction |
| - | | Low pressure build-up on the die plate due to the option of short guide lengths |
| - | | Nozzle geometry can be varied within broad limits |
| - | | Protective product handling |
| - | | No cavitation on the die plate |
| - | | Compact build |
| - | | Low investment costs |
| - | | Low operating costs (due to low energy requirement for heating and drive, low wear, price-favorable spare parts and simple operation) |
| - | | All parts are salt bath resistant |
| Technical data on outputs for the waterring pelletizer | | |
| WRG |
WRG 280 |
WRG 300 |
WRG 320 |
WRG 400 |
| Max number of bored holes on die plate |
208 |
334 |
604 |
992 |
| Max. permitted pressure of heating medium* [bar] |
32 |
32 |
32 |
40 |
| Max. number of knives |
6 |
6 |
6 |
8 |
| Max. knives rpm [min-1] |
3.200 |
3.200 |
3.000 |
2.500 |
| Installed motor drive performance [kW] |
7,5 |
9,2 |
17 |
30 |
| Water temperature [m3/h] |
90 |
90 |
120 |
200 |
| Max. output** [t/h] |
3 |
4,5 |
7 |
12 |
* = steam or heat transfer oil
** = The output figures are valid for thermoplastics synthetics which can pelletized with the waterring pelletizer, such as polyethylene, styrene products and TPUs with high hardness levels
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