Editorial Technical Reference

Magnetic Separator

This page explains how Magnetic Separator is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A device that uses magnetic force to remove ferrous contaminants from abrasive media.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Magnetic Separator

Definition
The Magnetic Separator is a component used in abrasive recycling systems to extract ferrous metal particles from used abrasive media. It employs powerful magnets, typically made of Neodymium Iron Boron (NdFeB), housed in a stainless steel enclosure. The separator generates a strong magnetic field that attracts and holds ferrous contaminants as the abrasive stream passes over or through the field, ensuring that the recycled abrasive remains pure and effective. This process also protects downstream equipment from potential damage caused by metal fragments.

Key specifications include a magnetic field strength ranging from 3000 to 12000 Gs, with higher values suited for fine particle removal. Processing capacity varies from 5 to 200 t/h, depending on material density. Separation precision is typically ±0.5% residual iron content. Motor power ranges from 2.2 to 45 kW for drum rotation, and the operating voltage is 380 V AC ±10% (three-phase, per IEC 60038). The operating temperature range is -20 to 60°C, as magnet performance degrades above 60°C. Ingress protection is rated IP54 to IP65 per IEC 60529. Drum diameter ranges from 600 to 1500 mm, and drum length from 1200 to 3000 mm, affecting separation area and capacity. The unit weight is between 1500 and 8000 kg, relevant for installation and foundation. Noise level is ≤75 dB(A) at 1 m distance, measured per ISO 3744.

These values are directory reference ranges and must be confirmed for the specific model and application. Always verify model-specific parameters and applicable standards with the legal manufacturer or supplier before procurement or installation.
Working Principle
The separator operates by generating a strong magnetic field using NdFeB magnets. As the abrasive media stream flows through or over the magnetic surface, ferrous contaminants are attracted and held against it, while non-magnetic abrasive particles continue their path. This separation ensures the abrasive media is free of ferrous impurities, maintaining its quality and protecting downstream equipment.
Common Materials
Neodymium Iron Boron (NdFeB) Magnets, Stainless Steel Housing
Technical Parameters
ParameterTypical rangeNotes & selection driver
Magnetic Field Strength3000–12000 GsHigher for fine particle removal
Processing Capacity5–200 t/hDepends on material density
Separation Precision±0.5 %Residual iron content
Motor Power2.2–45 kWFor drum rotation
Operating Voltage380 ±10% V ACThree-phaseIEC 60038
Operating Temperature-20–60 °CMagnet performance degrades above 60°C
Ingress ProtectionIP54–IP65Dust and water resistanceIEC 60529
Drum Diameter600–1500 mmAffects separation area
Drum Length1200–3000 mmDetermines capacity
Weight1500–8000 kgInstallation and foundation
Noise Level≤75 dB(A)At 1 m distanceISO 3744

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Magnetic Drum/Roller
    Generates the primary magnetic field and provides the surface for ferrous particle collection.
    Material: Stainless Steel with embedded permanent magnets
  • Housing/Chute Part
    Directs the flow of abrasive media over or past the magnetic element.
    Material: Abrasion-resistant steel or polymer
  • Cleaning Mechanism
    Removes accumulated ferrous particles from the magnetic surface, often automated.
    Material: Stainless Steel

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar
flow rate: 0.5 to 100 m³/h
temperature: -20°C to 120°C
slurry concentration: Up to 40% solids by weight
Media Compatibility
✓ Ceramic grinding media ✓ Steel shot blasting media ✓ Mineral processing slurries
Unsuitable: Highly corrosive acidic environments (pH < 2)
Sizing Data Required
  • Required flow rate (m³/h)
  • Ferrous contaminant particle size (microns)
  • Desired separation efficiency (%)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Magnetic Strength Degradation
Cause: Thermal demagnetization from excessive heat exposure, mechanical shock, or contamination buildup on magnet surfaces reducing effective field strength
Mechanical Wear of Moving Parts
Cause: Abrasive particle accumulation in bearings/seals, improper belt tension causing misalignment, or corrosion from moisture/chemical exposure in processing environment
Maintenance Indicators
  • Audible grinding or scraping noises from drive mechanism or housing
  • Visible accumulation of ferrous material downstream indicating reduced separation efficiency
Engineering Tips
  • Implement regular magnetic strength testing with gaussmeter and establish thermal monitoring to prevent operating above magnet's Curie temperature threshold
  • Establish preventive cleaning schedule for magnet surfaces and moving components, using proper non-magnetic tools to prevent damage during maintenance

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
CE Marking - EU Machinery Directive 2006/42/EC ASTM E1444/E1444M-22 - Standard Practice for Magnetic Particle Testing

Quoted from the published standard.

Manufacturing Precision
  • Bearing Bore Diameter: +/-0.02mm
  • Housing Flatness: 0.1mm per 300mm
Quality Inspection
  • Magnetic Flux Density Measurement
  • Dimensional Verification with CMM

Manufacturers of Magnetic Separator

7 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Great Magtech (Xiamen) Electric Co., Ltd.
Xiamen, Fujian, CN
ISO9001 CE RoHS
Also makes: Magnetic Chuck
Listed on the company's own website · profile compiled by CNFX from public sources
Tiantie Industrial
Jiangsu, CN
Founded 2003
Listed on the company's own website · profile compiled by CNFX from public sources
Amho
Shandong, CN
Also makes: Chip Conveyor
Listed on the company's own website · profile compiled by CNFX from public sources
Liyang Yuda Machinery Co.,Ltd
Jiangsu, CN
Also makes: Mixing Equipment, Screw Conveyor, Control Gate and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai SANME Mining Machinery Corp., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shenyang North Heavy Metallurgical Engineering Technology Co., Ltd.
Liaoning, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Wuxi Yacai Precision Machinery Co., Ltd
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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Frequently Asked Questions

What is the typical magnetic field strength range?

The magnetic field strength is typically between 3000 and 12000 Gs. Higher values are recommended for fine particle removal. Confirm the exact strength for your model with the manufacturer.

What is the processing capacity?

Processing capacity ranges from 5 to 200 t/h, depending on the material density and the specific model. Verify the capacity for your application with the supplier.

What are the operating temperature limits?

The operating temperature range is -20 to 60°C. Magnet performance degrades above 60°C, so ensure the separator is used within this range.

What ingress protection ratings are available?

The separator is available with IP54 to IP65 ratings per IEC 60529, providing dust and water resistance. Choose the appropriate rating based on your environment.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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