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Grate Magnet

Grate Magnet

Grate Magnets are non-electric magnetic separators designed to remove fuzz iron and other small magnetic particles from free-flowing powders and granular materials – food, chemicals, plastics, minerals, etc. Dings grate magnets are a cost-effective way to remove damaging tramp metal and light concentrations of ferrous contaminants. The permanent magnetic separators are efficient because they work inside a product flow, so there is no need for the magnetism to reach through any great depth of material. Standard grate tubes are 1” in diameter, with a smooth stainless-steel surface on the outside and an assembly of Grade VIII Ceramic Magnetic Material or Rare Earth Magnetic Material on the inside. Dings grate magnets contain magnetic material throughout the entire tube to produce a more uniform separating force, unlike other grate magnets that are partially loaded with springs and fillers. A variety of designs are available to match flow capacity, location, degree of ferrous contamination and cleaning convenience required.

Tube

Tube

Tubes are standard 1” diameter with lengths of 3” to over 2 ft, filled with Grade VIII Ceramic magnetic material (Rare Earth magnetic material available). End plugs are either plain or drilled and tapped ¼-20

Grid

Grid

Grid grate magnets don’t have a surrounding frame and can fit in confined spaces or irregularly shaped openings. They are easy to remove for cleaning. Tube ends are exposed. Magnet is supported by the cross bars or by the tube ends. Grid grate magnets are available is square, rectangle or round designs

Plain Frame

Plain Frame

Plain Frame grate magnet’s magnetic tubes are held into place within a simple external frame. It is the same internal construction as the Wing Type and Drawer Type

Heavy-Duty Frame

Heavy-Duty Frame

Heavy-Duty Frame grate magnets are ideal for grain processing and other high-volume applications. It can be mounted securely over a receiving pit opening to remove ferrous from product stream, handling high flow rates, hard-to-flow materials and minimizing product build-up

  • Lifetime Guarantee on magnetism
  • Ruggedly built for demanding indoor/outdoor use
  • Larger 2″ square tubes providing more magnetic surface area
  • Wider tube spacing
  • Heavy-duty all-welded construction

Wing Type

Wing Type

The Wing Type Grate magnet can be used anywhere material to be separated will conveniently past through it. Some typical installations are used over hoppers, inside hoppers, below hoppers, underneath discharges from belt conveyors, underneath the bottom openings in vertical chutes and in floor openings. Installation is simple and easy

  • No maintenance
  • Easy installation – no wiring, no on/off switch
  • Heavy-duty all-welded construction

Drawer Type

Drawer

Drawer grate magnets are specifically designed for use in closed chutes and ducts. This grate magnet pulls out for inspection and cleaning

  • Lifetime Guarantee on magnetism
  • 11-gauge 304 stainless-steel construction
  • Bead-blasted satin finish, optional sanitary finish

Standard Housed

Standard Housed

A Standard housed grate magnet is a welded enclosure with one or more banks of magnetic tubes inside. Drawer-type construction allows easy access to the inside for removal and cleaning of the tubes. Top and bottom flanges allow the magnet to be bolted directly into a square or rectangle chute

  • Lifetime Guarantee on magnetism
  • Magnetic grate assembly is easy to remove for cleaning
  • Gasket assures dust-tight seal
  • Low-profile for close-quarters installation

Easy Clean

Easy Clean

Easy Clean grate magnets are ideal for applications which need more convenient or frequent cleaning. They contain Rare Earth Magnetic Material (the strongest) or ceramic magnetic material and are designed with tube-in-a-tube for quick removal of ferrous contaminants, eliminating messy hand cleaning. To clean – the drawer slides forward out of the product flow. The internal magnetic tubes are pulled from the tube assembly, releasing the ferrous attracted to the surface of the outer tubes

  • Easy clean with just a simple drawer pull
  • Drawer slides on sturdy support rods
  • Gasket on the drawer front assures dust-tight seal

Auto Clean

Auto Clean

Auto Clean is designed to operate continuously without attention. Magnetic particles and ferrous objects attracted against tube surfaces are removed automatically at regular intervals according to the setting on a timer dial. It offers the high magnetic separating efficiency of a Dings patented tube-in-a-tube grate magnet and the easiest method of cleaning Rare Earth magnetic tubes. Ideal for inaccessible locations where manual cleaning is difficult and for applications where ferrous content in product flow is very high

  • Designed to automatically purify powders and granular materials
  • Gets ride of damaging tramp iron with automatic action
  • Separates contaminating particles with automatic action
  • Patented easy clean design operates pneumatically
  • Automatic tube cleaning maintains maximum magnetic efficiency
  • Magnetics are discharged outside of product flow space
  • Frequency of tube cleaning is controlled by adjustable time
  • Duration of tube cleaning cycle is adjustable for best action

Control Box (for Auto Clean)

Adjustable Timer

The Auto Clean comes with a NEMA 12 control box. An automatic reset timer and a cleaning mode switch are easily accessible on the front of the box. Controls for clean cycle can be set at minutes or hours and in manual mode.

Rotary

Rotary Rotary

Rotary Grate magnets are ideal for purifying materials that do not flow easily and tend to plug up conventional grate magnets. They prevent material from bridging and improves magnetic separation by the agitating cohesive powders. They are designed for pulverized minerals and ceramics, fibrous substances and fine cohesive materials such as magnesium oxide, zircon powder, fly ash, alumina, gypsum, lime, powdered sugar, cornstarch and flour.

  • Lifetime Guarantee on magnetism
  • Performs magnetic separation and de-bridging
  • No more plugging of difficult to flow material and no product build up
  • Allow difficult products to be screened without clogging the process line
  • Speedy and reliable removal of iron particles from bulk materials that tend to stick, clog, bridge or choke
  • Easy installation

Hopper

Hopper

Hopper is designed for the plastics industry. It protects molding machinery and other processing equipment from damaging ferrous metal. Separation can be conveniently monitored through the transparent drawer face

  • Lifetime Guarantee on magnetism
  • Slide gate shuts off product flow
  • Reduces maintenance and prevents equipment damage
  • Increases quality parts production
  • Pre-drilled holes for easy installation
  • Bead blasted satin finish, optional sanitary finish
Options
Sanitary Finish

Double Bank Housed Grate Sanitary Finish

A fully welded and blasted stainless-steel finish – free from cracks, pockets and/or corners that could allow for materials to collect on product flow area

Deflectors

Deflectors help to guide material into the magnetic field by directing the flow to fall more closely or directly onto the grate tubes

Double Bank

Double Bank Plain Frame Grate

A second bank of magnets help to re-process any material/ferrous that may have gotten through the first bank

Drum Adaptor

A transitional metal housing that helps to convert the mounting flange of the grate to or from a type FC drum

Hopper Adaptor

A transitional metal housing that helps to convert the mounting flange of the grate to or from a hopper

Bin Vibrator - Pneumatic

A device powered by compressed air that shakes the material bin to help loosen the material and facilitate better flow

Bin Vibrator - Electromagnetic

A device powered by an electromagnet that shakes the material bin to help loosen the material and facilitate better flow

Transition

A metal adaptor that helps to convert the mounting flange/surface of a housing to another flange/surface in a system

Collection Tray (for Easy Clean Grate)

 

Rare Earth Magnetic Material

Stronger than ceramic, these magnets allow for either a stronger hold on ferrous objects and/or the ability to successfully attract small ones

Custom Designs

Our magnetic solutions experts can custom design any equipment to meet your specific application needs

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