AAS Outlet connection system

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1 Deploy

Low-dust emptying of big bags with or without inliner with double protection against dust escape

Page last modified
April 11 2024

The AAS outlet connection system is used for low-dust emptying (up to AGW / OEL 1,000 - 5,000 μg/m³) of big bags with or without inliner and has double protection against dust escape. The room and operator are protected from coarse contamination. The AAS is used in particular when handling less dangerous and dusty bulk materials in the food, pharmaceutical and chemical industries.

The outlet connection system is characterized by its easy handling. To empty, all you have to do is put the tied big bag outlet over the inner tube and clamp it with the sealing flange. The latter works with the two-hand lever technology. If done correctly, this ensures that the operator cannot squeeze his fingers between the sealing flange and the outer tube. When connecting the big bag outlet, wrinkles can form on the inner tube from which product can escape. To prevent this, the “double ring”, consisting of an outer and inner tube, acts as additional protection. The product is then collected in this space and fed back into the product stream. If big bags with different outlet diameters are used, the inner tube can be exchanged to adapt the AAS to the respective container. To displace excess air, the entire system including the big bag can be dedusted via the extraction port and evacuated after emptying.

Pros & Limitations
Easy handling
Two-hand lever technology avoids the risk of crushing
Ex version
Double ring as additional protection against dust escape
Interchangeable inner tube for different big bag outlets (optional)
Filter retrofit kit
Dedusting via extraction nozzles
Evacuation of the big bag possible
Different diameters
Clamp, spigot or flange outlet
Various materials
Specification Title Specification Description
areas of application
bulk handling
pharma chemical food batterij waste
atex ehedg fda gmp etc.
international guidelines on request


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Development Technology demonstration Mature / Proven
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Plant Partner B.V. is an engineering agency within the bulk material handling industry and is also involved in the common process equipment in the Pharmaceutical, Food and Chemical industries, which often imposes extreme requirements, such as: High-containment (OEB6) or Hygienic conditions (EHEDG).

Our delivery program includes:

- Bulk goods handling (unloading, filling, dosing, transporting, containment up to OEB 6 level);

- Single-use technology (containment OEB 1-5, PE liners, endless liners, etc.);

- Solid-liquid separation (Nutsche filters, vacuum drying);

- Super centrifuges (decanter centrifuges with a vertical rotor rotating at 15,000G);

- Components (elements, valves, check valves).


please send an email to jvv@plantpartner.nl for more information.

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