AL Series agitators from Alfa Laval offer mixing solutions to meet many requirements in food, dairy, beverage, pharmaceutical, biotechnology, and cosmetic applications. AL agitators can be sized for several applications for both atmospheric and pressurized tanks and can be configured for use in sterile/aseptic applications.
There are four configurations available to best suit your application needs:
Top mount (ALT)
Top mount with bottom support (ALTB)
Bottom mount (ALB)
Side mount (ALS)
To ensure the best possible device for your specifications, each application is evaluated carefully. This allows proper sizing, optimized power consumption, and the lowest possible pricing for each agitator.
ALB
Our bottom-mounted agitator ALB offers mixing solutions to meet any requirements in food, dairy, beverage, pharmaceutical, biotechnology and cosmetic applications. Type ALB agitators can be sized for several applications for both atmospheric and pressurised tanks. Configuration for use in sterile/aseptic applications is also possible. Sizing and customising the agitator to the specific task ensures optimised power consumption and pricing.
Related Industries:
Alumina, Food processing, Beverage processing, Dairy processing, Coal, Copper, Home care, Industrial water and waste treatment, Nickel, Renewable power, Zinc, Thermal power, Uranium, Biofuels
Energy efficient design
Our EnSaFoil impellers, as well as our specially developed EnSaFerm impellers for fermentation use, reduce energy consumption and the absorption of heat by your product. Based on extensive fluid dynamic studies, their unique shape makes them up to 400% more efficient than impellers with a standard pitch. Besides minimizing energy loss, our impellers operate at reduced speeds without reducing pumping capacity. Compared to agitators with conventional impellers, they thereby lower agitator power consumption by up 80%.
Modular and hygienic
Alfa Laval agitators ensure excellent levels of hygiene for a wide range of blending and mixing duties in processing tanks. Modular design using hygienic materials with smooth surfaces provides great flexibility to tailor agitator systems to meet specific tank and process requirements, including EHEDG, USDA, FDA and 3-A standards.
Simplified service
Low wear and minimal maintenance are hallmarks of Alfa Laval agitators. This translates into higher productivity due to reduced downtime. No dismantling or entry into the tank, for instance, is required for parts replacement of long-life seals and bearings. This saves both time and money.
Product range
Four different Alfa Laval agitator models for top-, bottom- and side-mounting are available for installation in pressurized and non-pressurized tanks. Sterile/aseptic and ATEX-certified versions are available upon request.
For additional information, please refer to Documentation.
Construction
Based on a modular design, Alfa Laval agitators consist of a drive unit with bearing frame, shaft with special shaft seal arrangement, and bi- or tri-lobe energy-saving airfoil impellers.
Operating principle
An electrical motor (drive unit) transmits the energy required for mixing and blending, either directly or via a gearbox, to the agitator shaft. The shaft rotates, turning the specially designed Energy Saving Foil impellers. The impeller movement creates a high flow with low shear due to the highly effective axial pumping effect on the liquid in the tank. This results in effective mixing and blending of the entire contents of the tank.
Optional equipment
Alfa Laval also offers agitator models for sterile/aseptic applications and optional equipment, including welding flange, blind flange, cover for motor/gear and spare part kit, for its range of agitators.
TECHNICAL DATA
Motor
Motor size and speed as required for duty.
As standard with IEC motor IP55, other types on request.
As standard painted RAL5010.
Voltage and frequency
As standard for 3×380 to 420V, 50Hz – 3x440V to 480V, 60Hz.
All motor voltages and frequencies are available.
Gears
Different gear types available according to configuration.
As standard filled with normal synthetic or mineral oil, optional: Food
approved oil. As standard painted RAL5010.
ATEX – option
Agitators can be delivered approved for use in an ATEX environment
with declaration of conformity.
Ordering
The following information is required to ensure correct sizing and
configuration for ordering:
– Tank geometry
– Product properties
– Task of agitator
– Enquiry forms are available
Standard design
he Alfa Laval range of bottom mounted propeller agitators is designed
to meet almost every customer requirement. Due to their modular
build the agitators can be designed for every type of application with
the hygienic industry. The modular construction is designed with the
aim to meet both European and American standards and regulations,
such as EHEDG, USDA, FDA, 3A etc.
Configurable design
Type ALB agitator design is fully configurable divided in the following
elements:
• Drives (drive + shaft support + shaft diameter)
• Seal arrangements (oil trap + shaft seal type)
• Shaft (length)
• Energy Saving Foils (propeller type + surface finish)
• Options
Each element has a broad range of different characteristics which
makes it possible to size the agitator for all applications and
requirements.
