Screw Conveyors for Food Products in Protein Production

Screw conveyors for food products used in protein production, manufactured for a production facility.

All screw conveyors are manufactured in accordance with EC 1935/2004 – the Food Contact Materials Regulation.

What requirements apply when manufacturing screw conveyors for food production?

• All materials used must be approved for food contact and comply with EC 1935/2004
• The company must be approved by the national food authority for handling materials used in food production
• Manufacturing requirements are stricter compared to other industries:
  • Welds must as a minimum be smooth and visually clean
  • Often there are requirements for grinding welds to a specific surface roughness
  • The machine must be easily accessible for cleaning
  • The design must ensure that water from cleaning can drain away from the machine

By nature, it is impossible to design screw conveyors completely free of so-called “dead zones” where material can accumulate. Therefore, it is essential that screw conveyors are designed with easy accessibility for cleaning.

What tasks has BEMA carried out for these screw conveyors for food production?

• BEMA carried out the complete design of the screw conveyors in collaboration with the customer
• Together with the customer, the specific manufacturing requirements were defined
• BEMA manufactured all screw conveyors in its own workshop
• After manufacturing, BEMA assembled the screw conveyors and conducted a complete FAT in collaboration with the customer
• Finally, the screw conveyors were packed on wooden frames and shipped to the customer

With its in-house engineering department, BEMA has qualified technicians capable of designing screw conveyors for food applications in close cooperation with customers. It is important that surface requirements are clarified during the design phase to avoid unnecessary surface treatments that would increase costs without adding value.

BEMA recommends being involved as early as possible in the design phase, so that all requirements for screw conveyors in food applications can be precisely defined from the beginning.

FAQ: Screw Conveyors for Food Products in Protein Production

What requirements apply to screw conveyors for food production?

All materials must be approved for food contact and comply with EC 1935/2004. In addition, the manufacturer must be approved by the food authority for handling materials used in food production.

How is hygiene and cleanability ensured?

Welds must be smooth and are often ground to a defined surface roughness. The machine must be easy to access for cleaning, and the design must ensure that cleaning water can drain away without accumulating.

What tasks does BEMA perform in such projects?

BEMA is responsible for design in collaboration with the customer, clarification of requirements, manufacturing in its own workshop, assembly, FAT testing and shipping.

Why is early involvement of BEMA important?

Early involvement ensures that surface requirements and hygiene standards are defined correctly from the beginning, avoiding unnecessary processes and additional costs.