Rotary jet mixer IM25
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Catalog excerpts

Rotary jet mixer IM25 - 1

. kySuperior Mixing – Liquid, Gas and Powder IM 25 Rotary Jet Mixer . The patented IM 25 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 25 is typically used in process and storage vessels of volume 10-1000 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 25 which is positioned under the liquid surface. The liquid flow is used to drive a gearing system which makes the nozzles of the IM 25 rotate around both the horizontal and vertical axes. When small volumes are mixed with a large liquid volume, the IM 25 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 25 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 Mixing 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 Mixing technology can also be used for gas dispersion and for dispersion and dissolving of powder. The IM 25 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 Specifications Materials: . . . . . . . . . . . . . . . . . . . .AISI 316L, AISI 316, SAF 2205, PEEK, PVDF, Carbon, Tefzel, Ceramics Weight: . . . . . . . . . . . . . . . . . . . . .13.2 kg (26.9 lbs) Lubricant: . . . . . . . . . . . . . . . . . . . .Self-lubricating with the mixing/cleaning fluid Working pressure: . . . . . . . . . . . . . .2-12 bar (28-171 psi) Recommended pressure during mixing: 4-8 bar (57-114 psi) Recommended pressure during CIP: . .5-10 bar (72-145 psi) Max. working temperature: . . . . . . . . .95°C (205°F) Max. ambient temperature: . . . . . . . .140°C (284°F) Connection: . . . . . . . . . . . . . . . . . .Standard thread 2.5” BSP, female Min. tank opening: . . . . . . . . . . . . . .See dimension drawings

Open the catalog to page 1
Rotary jet mixer IM25 - 2

Flow rate Reach of jet Relationship between inlet pressure and flow rate for liquids with waterlike properties for the IM 25 Rotary Jet Mixer. Reach of jet for the IM 25 during cleaning, and indicative reach of jet for mixing of liquids with water-like properties. Volumetric flow rate [m3/h] Reach of jet [m] 80 70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 10 1 2 3 4 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 4 5 6 7 8 9 10 11 12 2 3 1 4 Inlet pressure [bar] Inlet pressure [bar] 1) 2 x ø21 mm 1) 2 x ø21 mm Nozzles 2) 2 x ø19 mm Nozzles 2) 2 x ø19 mm 3) 2 x ø17 mm 3) 2 x ø17 mm 4) 2 x ø15...

Open the catalog to page 2
Rotary jet mixer IM25 - 3

. ESE01570EN 1001 The information contained herein is correct at the time of issue, but may be subject to change without prior notice. How to contact Alfa Laval Contact details for all countries are continually updated on our website. Please visit www.alfalaval.com to access the information direct.

Open the catalog to page 3

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