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Home » MPI Products Inc » Products  »  Magnetic Separation and Metal Sorting Solutions   »  Magnetic Separators for Bulk Gravity Applications   »   Feeder Magnets

Feeder Magnets

MPI Feeder Magnets are designed to remove ferrous contaminants from free-flowing materials at the beginning of processing lines, ensuring downstream equipment protection and product purity. Installed above or within vibratory feeders, belt conveyors, or chutes, these powerful magnets attract and capture tramp metal from powders, granules, and small parts as they are conveyed. Ideal for food, plastics, chemical, and recycling industries, MPI Feeder Magnets offer high-intensity separation in a compact, easy-to-maintain design. With manual or quick cleaning options, they improve product quality, reduce equipment wear, and support regulatory compliance for metal contamination control.

Quick-Clean Magnetic Rotary Feeder

Engineered for applications that necessitate frequent cleaning, the Quick-Clean Rotary Feeder is equipped with a manual pull-and-clean system. This design allows operators to swiftly remove the magnetic core, ensuring that any metal contaminants fall away from the magnet for rapid and effortless cleaning. This efficiency reduces downtime while maintaining effective separation of ferrous materials. It is particularly suited for industries where halting material flow for cleaning is essential. Ideal for operations that demand regular manual cleaning with quick turnaround times.

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Self-Clean Magnetic Rotary Feeder

The Self-Cleaning Magnetic Rotary Feeder operates continuously with an automated cleaning system that removes ferrous contaminants without manual intervention. Using a wiper or air-blast mechanism, it ensures a steady material flow and reduces downtime. Built with high-strength rare earth magnets and durable stainless steel, it is ideal for high-capacity processing in industries like food, plastics, and chemicals, enhancing efficiency and minimizing cross-contamination.

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Compatibility Check - Feeder Magnet Comparison

Unique Benefits and Considerations


Industries, Applications and Regulations

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Industry Type

Magnetic Products Inc. (MPI) offers a range of magnetic separation and feeding solutions suitable for various industries, ensuring efficient contaminant removal and precise material handling. The key industry applications include:

  • Food and Beverage:
    MPI’s Quick-Clean and Self-Clean Magnetic Feeders are widely used in food processing to ensure product purity by removing ferrous contaminants. Magnetic Rotary Feeders regulate material flow while eliminating metal contaminants, making them ideal for packaging and processing lines.

  • Pharmaceuticals:
    MPI Self-Clean Free Flow Magnets and Magnetic Rotary Feeders ensure compliance with stringent sanitary requirements by providing automated, uninterrupted operation for pharmaceutical ingredients.

  • Plastics:
    Quick-Clean Free Flow Magnets effectively remove ferrous contaminants from plastic resins and pellets, while Magnetic Rotary Feeders ensure precise feeding during extrusion and molding.

  • Chemical and Mining:
    Self-Clean Free Flow Magnets provide efficient bulk contaminant removal for large-scale material processing. Magnetic Rotary Feeders manage abrasive and high-density materials while ensuring contaminant-free output.

Processing Application

Each of MPI’s magnetic feeder systems serves a distinct processing application:


Quick-Clean Magnetic Feeders:
Ideal for gravity-fed or pneumatic systems that require frequent but easy contaminant removal.

  • Features a pull-and-wipe quick-clean mechanism, minimizing downtime.

  • Best suited for batch operations where material flow must be periodically halted for maintenance.

Self-Clean Magnetic Feeders:

  • Designed for high-volume, continuous operations.

  • Incorporates an automated self-cleaning mechanism that periodically removes contaminants without manual intervention.

  • Ensures uninterrupted material flow, reducing labor costs and downtime.

Quick-Clean Rotary Magnetic Feeders:

  • Provides controlled feeding of free-flowing materials while capturing ferrous contaminants.

  • Features a manual pull-and-clean system for easy maintenance.

  • Reduces stoppages while ensuring contaminant-free material flow, suitable for applications requiring periodic cleaning.

Self-Clean Rotary Magnetic Feeders:

  • Designed for automated, high-volume operations.

  • Features a wiper or air-blast system that continuously removes captured contaminants.

  • Ensures minimal process interruptions and reduces operator labor, making it ideal for continuous processing industries.

Regulations and Requirements

MPI ensures that all its magnetic feeder products adhere to industry standards for safety, hygiene, and durability:

  • Food-Grade Compliance:
    FDA-approved materials and coatings are available for all Quick-Clean and Self-Clean Magnetic Feeders.USDA certifications are available for food processing applications.
    Temperature Requirements:
    High-temperature models, capable of withstanding up to 350°F (176°C), are available for specialized applications.

  • Durability Standards:
    Constructed with high-grade 304 or 316 stainless steel for corrosion resistance and long-lasting performance.

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