Metal screen frames speed up filtering process

By Ahmed ElAmin

- Last updated on GMT

Using screen frames made from metal in filtering food ingredients
speeds up the production process, according to Rotex.

The company manufacturers automatic tensioning screen frames as replacements for the wood screen frames currently used in filtering food ingredients.

Rotex's automatic tensioning frames feature a design for attaching screen clothing with spring tension clips.

The clips allow plant workers to remove and replace the screen clothing or filters quickly. They also ensure constant, uniform tension across the entire screen surface when filtering ingredients.

As they have a one-piece design, the frames are are easy to assemble, clean and maintain, helping to reducing downtime and eliminating the need for spare screen frames, Rotex claims.

The screen frames, top covers and sediment pans are constructed of either steel, stainless steel or aluminum. Rotex can incorporate special alloys into the design.

The frames have a totally enclosed structure with a continuous, one-piece seal and a grooved lip that holds the seal tightly against the frame.

The wider, more compliant seal provides a tight seal between the surfaces and won't pull away from the frame during regular maintenance, providing improved sealing and longer seal life, Rotex claims.

"With the newly designed frame, a simple, one-time adjustment of the patented roller and bumper system ensures proper location of the screen frame - even after repeated screen frame changes," the company stated. "No sieve jacks or additional adjustments are required, and no tools are needed to remove or re-install the screen frame."

Rotex, Inc. manufactures screening equipment for particle size separation of grains, minerals, plastics and other dry solids. They are used in chemical processing, food processing, mineral processing, plastics compounding and agribusiness.

Related topics: Processing & Packaging

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