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Rotary blade level controller, made by FILSA, is the solution to control filling and unloading operations of bulk material in a storage silo. With those level controllers, equipment such as conveyor or elevator will always start and stop at the right time!
These controllers are maintenance free and no calibration is required even if the stored material characteristics changes. They operates regardless of product moisture contents (as long as material remains in a free flowing state). The operation of these controllers is centered around a synchronous, slow speed motor-gear unit. The blades, operated by a shaft with twin support bearings and a protective clutch. When the product reaches the blade, and the blade finds resistance to its rotation, the motor-gear unit rotates on its own axis, actuating two micro switches; one of them disconnects the motor and the other acts upon the control mechanisms, stopping or starting signaling systems, conveyor belts, elevators, feeders, etc. Once the blades are free of product, the motor-gear unit is reconnected and the control signals are reversed. Several different models are available including the most popular models, the IRP-R model, equipped with a single blade and the IR-180 model, equipped with 4 blades.
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