Dexter Magnetic Couplings - Dexter Magnetic Technologies - #1

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Because magnetic couplings can transfer motion, force or torque across a

solid barrier, no seals are required between the driving motor and the harsh or hazardous operating environment. Without a seal, there is no risk of leak or contamination. Magnetic couplings can also be used to transfer motion, force or torque into an environment such as vacuum, the human body or a high purity or sterile environment without risk of contamination.

In most cases, the moving parts do not come into contact during motion so wear is greatly reduced, leading to higher reliability and lower maintenance. Whether your operating environment is corrosive, high pressure or at elevated temperature, magnetic couplings may allow you to place your motor in a more comfortable operating environment and without dynamic seals. This more robust design can increase the life of the system by orders of magnitude.

In a magnetic coupling, the RPM of the driven system exactly matches that of the driving system. Magnetic couplings can therefore be used in metering pumps to accurately dispense specific quantities of liquid. They can also be use to precisely position devices inside harsh or pristine environments. Magnetic couplings can do double duty Magnetic couplings can transfer torque, and most are used just this way. But they can also be used as positioning devices, as position stops, as sensors or as detectors. They can be designed to operate at constant torque when variation in torque can damage sensitive equipment.

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