Anti-vacuum device in front bulkhead for tippers

If you want to tip your semi-trailer without opening the sheet, there is a risk of the body being vacuumised and the sheet being pressurised and damaged. To prevent this, it is possible to provide an anti-vacuum opening on the front bulkhead. This lets air into the bin, making it unnecessary to always open the sheet.

Moreover, the opening is downwards so rainwater doesn’t enter the bin and the load remains dry.


  • Body is not vacuumised
  • Unloading with sheet closed
  • Less chance of damage to the sheet
  • Cargo remains dry
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