Magnetic drive pumps are used to move fluids in all sorts of industries. They are the reliable option, regardless of what you’re pumping. As a seal-less technology, they include a drive magnet and inner magnet connected to an impeller to push various fluids through the pump.  Magnetic drive pumps prevent leakage, saving you the loss of costly liquids. On a more serious note, if you’re pumping more dangerous liquids, pumps help you prevent damage and injuries. This is especially helpful for businesses because EPA requirements are stricter than ever before. These pumps allow for zero fugitive emissions. They may even save time on maintenance and replacement due to leaks. 

Magnetic Pump Technology

In a centrifugal pump, the drive shaft from the motor is connected through a flexible coupling to the impeller through the pump housing. This requires a seal where the drive shaft goes into the housing.  In a magnetic drive centrifugal pump, the impeller and the pumped fluid are inside hermetically sealed housing. The drive shaft on the motor rotates a series of magnets outside the housing. Inside the housing, there’s another ring of magnets attached to the impeller. The coupled magnets result in torque transferred through the housing. The rings contain the same number of identical magnets, matched and opposing. They are arranged with alternating poles. Typically, they’re made of rare earth magnets, including samarium or neodymium. 

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