Vibratory Conveyors

Key Technology introduces the Marathon vibratory conveyors with monobeam construction available in lengths from 30 to 50 ft.

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Key Marathon Monobeam

Featuring a narrow frame that’s less than half the surface area of traditional Marathon frames, monobeam shakers offer better access to the conveyor bed and fewer parts to clean.

“When we launched our Iso-Flo® shakers with monobeam in 2016, they were a huge hit. Customers immediately began asking for monobeam on our lengthy Marathon conveyors, so we started designing, building and testing. Now, we’re getting great feedback from customers on this new model as well,” said Jim Ruff, Vice President of Process Systems and Integrated Solutions at Key Technology. “Here at Key, we’re working non-stop on new innovations. We just introduced our Zephyr™ horizontal-motion conveyor, which produces minimal product bounce at high capacities. Bringing Marathon with monobeam to the market further expands our set of solutions.”

Ideal for processors that need a high degree of equipment hygiene and/or a small footprint, Marathon, from conveying and process automation technologies manufacturer Key Technologies, with monobeam is suitable for a wide range of bulk food applications, from raw receiving to packaging, including product collection, transfer and distribution.


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All Marathon conveyors, including the monobeam models, use natural-frequency vibratory motion to distribute bulk foods long distances on a single unit. Marathon can replace several shakers in a row, relying on only two independent, frame-mounted drives to improve efficiency and reliability. Additionally, fewer supports to the floor eases cleaning and sanitation. Two foot-mount, self-synchronizing motors transfer the force of the frame to the bed without mechanical joints to further improve efficiency, reduce maintenance and minimize downtime.

Key tailors each Marathon using predictive modeling and Finite Element Analysis to define the product characteristics and deliver superior performance. Available in lengths from 30 to 50 ft and widths from 20 in. to 40 in.), Marathon with monobeam can achieve conveying speeds greater than 50 ft a min, depending on the application. The conveyor bed can be tilted to draw product to one side, and flow direction can be controlled with optional side outlet diverters. Marathon with monobeam can be built with end-mounted drop-out gates, diverters, end-mounted screens and covers when needed.

In addition to the sanitation enhancements from its monobeam construction, Marathon offers a variety of sanitary advantages. Its stainless-steel conveyor bed features a standard rotary polish within the product contact zone, which resists bacterial attachment and biofilm formation. Oil-free drives, elastomeric isolators, scalloped flat bars (if requested), internal ground arms and minimal laminations maximize equipment hygiene and help meet rising sanitary standards and regulatory requirements. The monobeam frame is sloped to prevent product and moisture build-up that can harbor bacteria. Marathon is available in four different finishing standards, and its rotary vibratory drives are available in either stainless steel or food-grade epoxy finishes.

Marathon with monobeam is suitable for fruits, vegetables, potato strips, potato chips, nuts, meat, poultry, seafood, dairy products, confections, snacks, cereals, grains, seeds, and more.

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