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Hygienic / Alfa Laval / Sanitary Valves and Automation Items / Sanitary Tank Equipment / Tank Cleaning Heads / MultiMidget Rotary Spray Head

ALFA LAVAL MULTIMIDGET ROTARY SPRAY HEAD

Double Ball Bearing
It works Vertically or Horizontally

IMPLEMENTATION
Alfa Laval MultiMidget is a rotary tank washing head that uses cleaning fluid to ensure coverage and impact. Since the device uses little amounts of cleaning fluid at low pressure, it offers an alternative to conventional washing heads.   Alfa  Laval MultiMidget rotary heads have a double ball seat, which allows the washing head to operate in all directions; and it fit for use in all cleaning applications including tanks with a volume from 0,1 to 10 m3 as well as reactors and containers. Dimensions/options are available in the CAS program which is used for tank cleaning equipment of Alfa Laval.

OPERATION PRINCIPLE
The flow of the cleaning fluid rotates the Alfa Laval MultiMidget head, and fan-shaped jets create a pattern that turns like a vortex everywhere inside the tank or reactor. This creates the impact that is required to eliminate residual materials, and the gradual flow covers all internal surfaces of the tank.




Materials
Input Connections ......................................... 1.4401 (316L)
Seat Components ......................................... Duplex (UNS31803)
Balls .............................................................. 1.4401 (316)
Heads ............................................................ 1.4404 (316L)

Technical Data
Weight............................................................ Gear: 0.50kg Welded 0.90kg
Maintenance ................................................. Self-lubricating with cleaning fluid
Operating pressure ....................................... 1-3 bar
Recommended pressure................................ 2 bar
Maximum Operating Temperature ................. 95 °C
Maximum Ambient Temperature .................... 140 °C
Wetting Radius .............................................. Max. 3 m
Impact Cleaning Radius ................................ Max. Effective 1.4 m
Fittings ........................................................... 1/2”  or 3/4” BSP Thread Threaded or Clipped



Spray Patern


360°
270° up
180° down


Flow Rate
Cleaning Radius
Ejection
 Length
Input pressure


                             Input pressure
                          A: Wetting - B: Impact cleaning

Note: Flow rate has been increased by approximately 0.5 m3/h for clipped models.


Dimensions (mm)


Threaded
Clipped
Welded














































































TH
1/2” BSP
3/4” BSP
1/2” NPT
3/4” NPT
INTERNAL DIAMETER
ISO : ø 25.3 mm



OD x t
Pipe welded
ISO : ø 25.6 x 1.6
DN25 : 2. series ø 29 x 1.5





SIZES and ITEM NUMBERS

Product Code: 5543

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