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Alfa Laval IM20 Rotary Jet Mixer

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Superior mixing Liquid, Gas and Powder

IM 20 Rotary Jet Mixer

IM20The patented IM 20 is a Rotary Jet Mixer which provides fast and efficient, hydraulically-balanced mixing in tanks. It can also be used for efficient gas and powder dispersion, and it is the most efficient CIP tank-cleaning machine on the market.
 
Applications
The IM 20 is typically used in process and storage vessels of volume 5-200 m3 used in the food industry, the beer and beverage industry, the biotech industry, the chemical industry, and other industries where liquid mixing, gas and/or powder dispersion are central.
 
Operation
The liquid to be mixed is circulated from the tank via a pump to the IM 20 which is positioned under the liquid surface. The liquid flow is used to drive a gearing system which makes the nozzles of the IM 20 rotate around both the horizontal and vertical axis.
When small volumes are mixed with a large liquid volume, the IM 20 is most efficient if the liquid to be mixed into the large liquid volume is added in the recirculation loop at the suction side of the pump.
Powder dispersion is also most efficient if the powder is added in the loop by the use of e.g. a powder mixer.
In gas dispersion applications, gas is added on the pressure side of the pump.
A heat exchanger can be installed in the recirculation loop, providing efficient heat transfer and temperature control.
 
Benefits
Using the IM 20 Rotary Jet Mixer makes it possible, at a modest investment, to perform fast and efficient mixing in a sanitary system. In traditional systems, using propeller mixers, a rotating shaft penetrates the tank wall, and a mechanical seal and a gear box are installed.
With the Rotary Jet Mixer technology the shaft, seal and gearbox are eliminated, and a more sanitary design is obtained.
With the Rotary Jet Mixing technology good mixing is achieved without the use of baffles.
The Rotary Jet Mixer can also be used for gas dispersion and for dispersion and dissolving of powder.
The IM 20 can furthermore be used for efficient CIP when the tank is empty, saving liquid, chemicals and energy compared to a fixed spray ball CIP system.
 
ATEX approved, Category 1 for installation in zone 0/20
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Specifications
Materials: . . . . . . . . . . . . . . . . . . . .AISI 316L, AISI 316, SAF 2205, PEEK, PVDF, Carbon, Tefzel, Ceramics
Weight: . . . . . . . . . . . . . . . . . . . . .12.2 kg (26.9 lbs)
Lubricant: . . . . . . . . . . . . . . . . . . . .Self-lubricating with the mixing/cleaning fluid
Working pressure: . . . . . . . . . . . . . .2-12 bar (28-171 psi)
Recommended pressure during mixing: 2-6 bar (28-85 psi)
Recommended pressure during CIP: . .5-6.5 bar (72-94 )
Max. working temperature: . . . . . . . . .95C (203F)
Max. ambient temperature: . . . . . . . .140C (284F)
Connection: . . . . . . . . . . . . . . . . . .Standard thread 2" BSP or NPT, female
Min. tank opening: . . . . . . . . . . . . . .See dimension drawings
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