Drawer Magnets

MPI’s Quick-Cleaning Drawer Magnets utilize “Type A” magnetic circuit, to remove small to medium sized ferrous contaminant from dry powder or granular free-flowing product streams in gravity-fed vertical chutes. They employ 2-tiers of magnetic tubes for maximum magnetic filtration for protecting processing equipment, such as milling, extruding, and mixing machinery, while assuring high product quality standards with low maintenance.

Complete Application Form for Quote

how it works Product flows through two rows of 1” diameter magnetic tubes, designed to create an extremely effective magnetic circuit. The rows of magnetic tubes are staggered to maximize magnetic filtration as the product flows through the housing. Tramp metal contaminants move to the underside of the magnetic tubes eliminating tramp metal “wash-off.” After terminating the product flow, the magnetic tubes are pulled through non-metallic UHMW stripper assemblies, cleaning the magnetic tubes and depositing the metal contaminants outside the product stream into a collection tray.


download datasheet

    1. Magnetic Tubes:
      MPI drawer magnets feature two tiers of high-intensity rare earth magnetic tubes that ensure the highest levels of magnetic filtration through direct product contact on the tubes, removing ferrous tramp metal from the product stream
    2. Cleaning Cycle:
      Start: Unlatch the drawer. Pull the magnetic tubes through the stripper assembly to deposit the collected tramp metal from the magnetic tubes into the collection tray outside of the housing
      Finish: Push the magnetic tubes back through the stripper assembly into the housing (working position) and re-latch the drawer
    3. Floating Stripper Seal:
      Adjusts to tube resulting in even wear and longer life between replacements
      Held in place by machined and fastened laminated stripper plate assembly
    4. Stripper Latch:
      Releases stripper plate assembly once the plate has been clearly pulled away from the sealing plate
      Prevents accidental cleaning of the tubes in the product flow area, commonly caused when the stripper assembly is stuck to the sealing plate
    5. Sani-TIGHT Seal™ Gasket:
      Type: Compression style “O-ring” cord gasket
      Sealing plate: ½” thick machined stainless plate
      100% Positive seal, cannot be over-compressed
      Sanitary: Gasket can be removed and replaced for wash-down, no adhesive required
    6. Rear Access Panel:
      For easy inspection and maintenance
    7. Tramp Metal Collection Tray:
      Attachment: Removable cantilever tray
      Locking notch prevents tray from vibrating loose
    8. Grounding Strap:
      Provides a discharge path for static buildup
    9. Self-Clean Model Available:
      Automated cleaning, easy inspection, and maintenance

DMU 200
Quick-Clean
Model #
DMU Opening (A)
Overall Width (D)
Overall Length (E)
(Drawer Closed)
Overall Length (F)
(Drawer Open)
Magnet
Tubes
Unit Approx.
Weight
IN2 CM2 IN CM IN CM IN CM 2 Rows
LBS KG
DMU-206-QC 36 232 18.25 46 23.71 60 27 69 5 66 30
DMU-208-QC 64 412 20.25 51 25.71 65 31 79 7 77 35
DMU-210-QC 100 645 22.25 57 29.71 75 35 89 9 106 48
DMU-212-QC 144 929 24.25 62 33.71 86 39 99 11 120 54
DMU-214-QC 196 1264 26.25 67 37.71 96 43 109 13 135 61
  • Cleaning Method:
    • Manual clean
    • Manual quick-clean (standard)
    • Automated self-cleaning
    • Continuous automated self-cleaning
  • Number of Tiers of Tubes:
    • 100 Series with 1 tier of tubes
    • 200 Series with 2 tiers of tubes (standard)
    • 300 Series with 3 tiers of tubes (independent drawers required)
    • 400 Series with 4 tiers of tubes (independent drawers required)
  • Material Construction:
    • 304 Stainless Steel (standard)
    • 316 Stainless Steel
  • Magnetic Tubes:
    • Ceramic
    • REN Rare Earth (standard)
    • Hi-G high performance Rare Earth
    • TW Thin Wall high performance Rare Earth
  • Magnetic Material Temperature:
    • 400°F (204°C) @ 3.5 MGOe (ceramic)
    • 176°F (80°C) @ 52+ MGOe (rare earth) (standard)
    • 248°F (120°C) @ 48 MGOe (rare earth)
    • 356°F (180°C) @ 38 MGOe (rare earth)
    • 662°F (350°C) @ 30 MGOe (rare earth)
  • Tube Spacing:
    • 2” horizontal and vertical spacing (standard)
    • 3” (approx.) horizontal and vertical for increased flowability (recommended for products that bridge or choke) (adds 1” to OAH)
    • 3” (approx.) horizontal only for increased flowability (available for height restrictions only)
    • Custom configurations available
  • Tube Coatings:
    • Stainless steel with no coating (standard)
    • Synergistic Coating [reference datasheet Synergistic Coating]
  • Gasket Material:
    • White silicon, FDA approved (standard)
    • Buna, FDA approved
    • Metal detectable blue silicon, FDA approved
  • Stripper Material:
    • UHMW material (standard)
      • Maximum temperature: 180°F (82°C)
    • Hydex material
      • Higher wear resistance compared to UHMW
      • Higher maximum temperature: 221°F (105°C)
    • Metal Detectable Hydex
      • Requires approximately 25% more pull force to cycle magnet
    • Teflon material
      • Higher wear resistance compared to UHMW
      • Higher maximum temperature: 500°F (260°C)
  • Position Switch: For unit closed confirmation or safety interlock
    • Not included (standard)
    • Proximity switch for unit closed confirmation (MPI Standard model and mount)
    • Mechanical safety switch for unit closed confirmation and safety (MPI Standard model and mount)
    • Switch mounting bracket only (customer supplied switch)
    • Customer specified model
  • Independent Drawers: Tube tiers are split so they can be cleaned individually, reducing force require to cycle magnet. Required for sizes 14” to 18” square (maximum size) and recommended when metal detectable strippers are selected.
    • Not included (standard)
    • Included (adds 3” to OAH)
  • Transitions: Stainless steel transitions for easy installation
    • Not included (standard)
    • Inlet, outlet or both, configured as required for installation
  • Companion Flanges: Matching companion flanges for customer to weld onto existing chute work for easy installation
    • Not included (standard)
    • Stainless steel companion flanges
    • Carbon steel companion flanges
  • Housing Vibrator: Housing mounted vibrators improve product flowability over magnetic tubes
    • Mounting holes only (standard)
    • Pneumatic vibrator

How can MPI help?

Please let us know your name.
Please write a subject for your message.
Invalid Input
Please let us know your email address.
Invalid Input
Invalid Input
Invalid Input
I’m a real person
Invalid Input
Invalid Input