[h2]Flux Drive Flexible Soft Start Coupling[/h2] The Flux-Drive soft torque transfer technology was developed as an alternative adjustable speed drives for applications where electrical variable frequency drives are unsuitable. Couplings are sized to transfer 100% of the motor’s torque at 1.5% slip (98.5% efficient). The couplings are simple mechanical devices that are easy to install and require no electrical training (unlike other soft-start solutions using sensitive electronics). Ongoing operation and maintenance is affordable with no touching parts or sensitive electrical components to replace.

• Provides soft-starting of driven machinery
• Eliminates harmonics that interfere with system performance
• Eliminates potential damage from load shaft seizures
• Provides immunity from power spikes, sags, or dirty power effects
• Has higher operating efficiencies than other magnetic drives

[h3]Eliminates Locked Rotor Conditions[/h3] By relying on the coupling’s air gap, a motor can fully breakaway from the load and accelerate to full motor speed without high locked rotor currents. The Flux Drive Flexible Soft-Start Coupling reduces start-up current by limiting it to the value of 140% of full load rating.

[h2]Flux Drive Adjustable Speed Drive[/h2] The Adjustable Speed Drive (ASD) is the Soft Start Coupling with the ability to configure the linear engagement between the rotating magnet can and rotor. Adjustable speed is achieved by controlling the overlap of the can and rotor. As the can and rotor are disengaged, the slip increases allowing the output speed to decrease proportionally.

[h3]Eliminates Locked Rotor Conditions[/h3] In centrifugal applications, system power requirements vary with the cube of the pump speed. Small decreases in speed or flow can significantly reduce energy use. For example, reducing the speed by 20% can reduce input power requirements by as much as 50%.

[h3]Easy to Install[/h3] The Flux Drive system creates no harmonics and therefore requires no complex filtering systems. Unlike variable frequency drives, no air conditioning or other devices are needed.

• Simple installation: in-line or with belt-driven arrangement
• Speed set by auto actuation (4-20mA) or manual adjustment
• 100% mechanical speed control device

[h2]Flux Drive Magnetic Disc Coupling[/h2]

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Flux Drive’s patented induction rotor technology has now been applied to an affordable and easy-to-install soft-start coupling – the Flux Drive Disc Coupling (FDC). Designed to replace rigid or elastomeric couplings in applications with ANSI-standard Distance Between Shaft Ends (DBSE), the FDC transfers torque across an air gap by means of magnetic induction – completely isolating the motor from the load. Vibration and torsional stress are nearly eliminated, reducing expensive downtime from failed bearings, seals, broken shafts and damaged couplings. Locked rotor current at start-up is also limited, potentially reducing costly utility demand charges (kW).