Automatic sack opening systems - Rotaslit®

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Deconditioning of products without any adjustment

Rate: 6 sacks/min.

Main specifications

The ROTASLIT® opening unit is widely used in food, pharmaceutical, chemical and agrochemical powder handling industries. Its patented system of inversion carries empty bags towards a screw compactor which is an integral part of the system. The dust extraction option offers the best solution for rapid automatic opening of sacks with no dust. It was developed into operation on platforms to facilitate the incorporation of raw materials in the process. This automatic machine uses only 3 kW motor.

This machine is designed to open 15 to 50 kg per sack.


Main advantages of the product

  • Suitable for many types of bags: paper, polywoven, lined ...
  • Minimize the handling by the operator
  • Robustness, reliability and productivity
  • Can be used in areas with restricted head room
  • Integrated sack compactor
  • Increased productivity
  • Reduced emissions of dust
  • Easy to clean

Operating mode 

Fonctionnement vide sacs automatique goliath




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1. Sack compactor
2. Dust collector (option)
3. Feeding of the sacks into the machine
4. Feeding belt conveyor (option)
5. Sack tube lifter
6. Cutting area
7. Discharge chute
8. Rotary drum

Electrical power  
Feeding conveyor (option) : 1,1kW(1,5HP)
Driving motor of the cutting head : 1,5kW (2HP)
Compactor and internal conveyor : 2,2kW (3HP)
Fan motor (option) : 1,5kW (2HP)
Vibrating motor (option) :  0,25kW (0,3HP)

The machine comes with a complete panel control to ensure the requested rates.


ouverture de sac automatique palamatic

Full stainless steel option for contact parts

Mild steel of stainless steel manufacturing for parts that are in direct contact with the products.

sack manipulator to belt conveyor automatic sack opening systems

Sacks tube lifter

Palamatic lifting tubes for sacks provide effortless loading of the discharging units.

The operator, via a mere control handle, depalletizes sacks and positions them on the infeed conveyor.

The rate is ensured with maximum ergonomics.

dust collection system automatic sack opening systems minislit

Dust extraction, integral or free standing, with optional explosion relief panels

The dust collector is the essential additional equipment to ensure a healthy working atmosphere.

The dust collector is directly implanted on the machine and allows to reintroduce fines or positioned outside for independent dust collectors.

  • Dust flow required: 1 000 m³/h
  • Filtration technology: cartridge or pocket
  • Unclogging: compressed air
  • Filter media (depending on the type of powder): polyester antistatic, oil repellent, PTFE coated ...

See our dust collecting solutions.


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Additional equipment

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