MAGNETIC DRIVE CENTRIFUGAL PUMPS
KWENG manufacturers Sealless/Glandless Magnetic Drive Pumps.
HOW A MAGNETIC DRIVE PUMP WORKS:
A magnetic drive pump uses a Magnetic Coupling to create the rotation of the fluid impeller. Unlike a traditional centrifugal pump which has a direct drive connection between impeller and motor, a magnetic drive pump eliminates the direct drive mechanism and replaces it with a magnetic coupling.
An outer magnet is mounted on the end of the pump shaft. This outer magnet is aligned on the outside of the pump housing. The pump impeller is connected to a smaller inner magnet assembly and rides on an internal shaft and bushing assembly. The liquid end parts are all isolated within the fluid head of the pump without the need for a mechanical seal. The smaller magnet assembly is mounted within the center of the outer magnet. Although these two magnet assemblies are separated by a fluid barrier, the magnetic fields are aligned. When the pump motor is started the outer magnet begins to rotate. As the outer magnet rotates, the rotating magnetic field effects the inner magnet. As the two magnets begin to turn together, the impeller begins turning and displacing fluid.
KWENG Pumps are offered with a range of Synchronous Magnetic Drives rated to match motor performance. This range is based on sizes corresponding to the pump frames and performance required.
The Kweng Pumps are designed in compliance with ANSI & API Standards and as per ASME B 73.3 Standard for chemical. petrochemical and other allied industries.
All units are available in CLOSE COUPLED or SEPARATE MOUNTED configuration. All liquid ends are interchangeable within the frame size, as are drive components to give optimum match of hydraulic and magnetic performances.