# Which magnetic separator do I need? — Arrowmatics Magnets

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Choose by how the product moves. Then check the build, the cleaning access and the working gap.

## Start with how the product moves

Your material | Usual fit | Where it sits | 

Dry powder or granules falling through a hopper or chute | Grate or drawer magnet | Across the opening or outlet | 

Material riding on a conveyor belt | Overband (self-cleaning) or suspended plate; magnetic pulley at the head end | Over or at the end of the belt | 

Liquid, paste or slurry in a pipe | Liquid-line magnetic trap | In-line on the pipe | 

Powder or pellets in a pipe or pneumatic line | Bullet magnet | Inside the pipe | 

Chute wall, tank, or a spot where hygiene matters | Plate magnet (full-weld stainless available) | Chute wall or above a conveyor | 

Small parts, OEM use, or heat and corrosion | NdFeB or SmCo magnets | Made to your drawing | 

## Then check four things

- Build: stainless 304, 316 or 316L; full weld is available, built to order, when you want no screws or crevices.- Cleaning: hand-clean, pull-out drawer or self-cleaning belt. Leave room to reach it.- Working gap: field strength depends on the gap to the product. Typical rare-earth separators we quote sit around 10,000–13,000 gauss at the pole; confirm per application.- Temperature: NdFeB suits normal duty; SmCo suits heat and corrosion. Give us your maximum temperature.
Arrowmatics is not itself certified to ISO 22000, HACCP or GMP. This is general guidance; size, grade and build are confirmed at quotation.