Alfa Laval LeviMag® Magnetic Mixer

The Alfa Laval LeviMag® is an aseptic magnetic mixer with a levitating impeller designed to maximize product yield and mix product down to the last drop. The four-wing impeller minimizes wear due to no direct contact between bearing surfaces. The LeviMag is available in five sizes featuring mixing speeds from 10 to 600 rpm. With the unique design of the magnetic coupling, the impeller is always levitating which allows for complete drainability and the free flow of CIP liquid around all parts of the mixer.

Application

Alfa Laval LeviMag magnetic mixers offer effective mixing for multiple processes within dairy, beverage, and food applications such as aseptic or sterile storage or buffer tanks where high demands on hygienic and aseptic design are required. Due to compact design the LeviMag is also an obvious choice for low level agitation.

Working Principle

A radial turbine installed inside the tank is rotated via the torque from a magnetic coupling. This creates mixing of the fluid inside the tank. The patented levitated design of the impeller makes the mixer fully drainable and able to run dry - hence it can mix to the last drop, securing maximum yield.

Unique Features
  • Levitated Design: makes the bearing fully drainable fully drainable and minimize wear of the bearing.
  • Replaceable Bearings: Both the female and male bearing can be replaced by the end user on site.
  • High Efficiency Impeller: The impeller unit is flow optimized, which creates the possibility of gentle product treatment.
  • Mixing to Last Drop: Dry running capability makes it possible to achieve maximum yield.
Available Versions
  • Impeller with male/female bearing
  • Impeller complete, with drive unit
Drive Unit Versions
  • Painted (fan ventilated)
  • Clean room finish, sealed surface conversion treatment (smooth, closed, no fan ventilated)
  • Extended console for insulated tanks
Technical Data
Product Wetted Surface FinishRa <32 µinch Mech. Polished
Working Pressure-14.5 to 101.5 psi
Impeller Diameters3.94, 5.91, 7.87, 9.84, 11.81 in
Physical Data
Impeller and Weld Plate316L
Drive Rotor, Shaft and Console/Flange304
Max. Temp. During Product Mixing194ºF
Max. Temp. During CIP (max. 50 RPM)203ºF
Max. Temp. During SIP (0 RPM)302ºF
LeviMag WP50
WP50
Model3.94 in Impeller3.94 in Impeller3.94 in Impeller3.94 in Impeller5.94 in Impeller5.94 in Impeller5.94 in Impeller5.94 in Impeller
ConsoleStandardExtendedStandardExtendedStandardExtendedStandardExtended
ConfigurationHeight + Painted Gear MotorHeight + Painted Gear MotorHeight + Clean Room Gear MotorHeight + Clean Room Gear MotorHeight + Painted Gear MotorHeight + Painted Gear MotorHeight + Clean Room Gear MotorHeight + Clean Room Gear Motor
A3.943.943.943.945.915.915.915.91
B2.832.832.832.832.832.832.832.83
C3.503.503.503.503.503.503.503.50
D2.954.922.954.922.954.922.954.92
E8.4610.438.2310.208.4610.438.2310.20
F13.3913.3912.1312.1313.3913.3912.1312.13
G2.003.942.244.212.003.942.244.21
H4.494.494.254.254.494.494.254.25
I4.374.373.663.664.374.373.663.66
LeviMag WP81
WP81
Model7.87 in Impeller7.87 in Impeller7.87 in Impeller7.87 in Impeller9.84 in Impeller9.84 in Impeller9.84 in Impeller9.84 in Impeller11.81 in Impeller11.81 in Impeller11.81 in Impeller11.81 in Impeller
ConsoleStandardExtendedStandardExtendedStandardExtendedStandardExtendedStandardExtendedStandardExtended
ConfigurationHeight + Painted Gear MotorHeight + Painted Gear MotorHeight + Clean Room Gear MotorHeight + Clean Room Gear MotorHeight + Painted Gear MotorHeight + Painted Gear MotorHeight + Clean Room Gear MotorHeight + Clean Room Gear MotorHeight + Painted Gear MotorHeight + Painted Gear MotorHeight + Clean Room Gear MotorHeight + Clean Room Gear Motor
A7.877.877.877.879.849.849.849.8411.8111.8111.8111.81
B3.863.863.863.863.863.863.863.863.863.863.863.86
C5.875.875.875.875.875.875.875.875.875.875.875.87
D3.505.473.505.473.505.473.505.473.505.473.505.47
E9.5711.549.5711.549.5711.549.5711.549.5711.549.5711.54
F13.9413.9414.0614.0613.9413.9414.0614.0613.9413.9414.0614.06
G2.914.882.764.722.914.882.764.722.914.882.764.72
H4.494.494.614.614.494.494.614.614.494.494.614.61
I4.374.373.863.864.374.373.863.864.374.373.863.86

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