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Pump rotor magnets

Why aren't the magnets in a water pump rotor afraid of water?

Some people wonder: How do the rotors in household circulation pumps, aquarium pumps, and car cooling pumps—which are constantly submerged in water—manage to keep their magnets intact? How is this achieved?...

Cooler pump rotor magnet radial 2/4 pole 10mm x 11.3 mm

This is a cooler pump rotor magnet with impeller, magnet material is sintered ferrite anisotroy, magnet diameter 10mm, height 11.3mm, injection molding together with plastic parts, surface magnetic strength is generally about 1000 Gauss, mainly used for pump motor, similar cold water pump rotor magnet ring we have a lot of specifications (larger/smaller) can choose,...

Cooler pump rotor magnet with impeller cost-effective [Size price supplier]

This product is a special magnet for cooling water pump. It is made of magnet + plastic injection molding. The magnet is usually sintered ferrite or injection molded ferrite. The number of magnetization poles is generally 4 or 2 poles. The height varies from 20-30mm...