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Remove Undesirable Fines From Aggregate

Quarries and aggregate producers use screening or wet wash systems as well as air classification to remove undesirable fines and produce high quality sand for use in asphalt or concrete.
Wet wash systems can include dewatering screens, belt presses, hydrocyclones and wash screws.
The physical space required for properly sized settling ponds may not exist at a plant site orthe cost and time involved in maintaining settling ponds may be excessive. In addition, waterand its regulation is increasingly expensive and can be impossible to obtain especially inremote areas.
Washing methods can require excessive time, equipment and water, makingthe process inefficient and uneconomical. An alternative that many producers have successfully implemented for more than 100 years is the Sturtevant Whirlwind® Air Classifier.

PROVEN RESULTS
EXAMPLE OF LIMESTONE PERFORMANCE IN WHIRLWIND®
2.5% moisture
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The Sturtevant Whirlwind® Air Classifier

The Sturtevant Whirlwind® Air Classifier is specifically designed to effectively remove fines from aggregates without screening or wet washing. The Whirlwind® will increase yourproduction capacity while maintaining quality standards, reduce maintenance time and improve plant uptime.The Whirlwind® Air Classifier is engineered for the rigors of aggregate separation and provides our customers with a quality-built product with the long equipment life they demand. The Whirlwind® Air Classifier has capacities up to 1200-tons per hour and offers an exceptional ability to achieve a wide range of separations.

BENEFITS

The Whirwind’s® features allow precise definition of the desired size product
while delivering the following benefits :

  1. Cost savings - No settling ponds, dredging or land restoration
  2. Lowest capital cost - No auxiliary equipment needed, such as baghouse, screen, cyclones, process dust collectors, air locks, or system fans
  3. Flexibility - Stationary and mobile units available
  4. Stationary and mobile unit available - Low energy consumption and low maintenance
  5. Built to last - Proven long life span and wear resistant replaceable liners
  6. Improved mixtures- Ideal for superpave applications 
  7. Sellable product - Sell dry fines for aglime , animal feed or fillers 

The Sturtevant Advantadge !

Sturtevant offers a global network of sales and service representatives serving customers and installations worldwide.
The company delivers the industry’s best service, experience
and reliability ensuring customer satisfaction and the competitive advantage they demand
Sturtevant has sold over 5,000 air classifiers making us the world’s most trusted supplier of air classification.

Why Choose Us

1

SERVICE 

• All operations are under one roof which
results in fast,reliable problem solving
• A fully equipped test facility to help customers determine the best way to achieve fine particle size separation and understand material characteristics
• A skilled field service team is available for start-up of new equipment and field inspection of existing installations

2

EXPERIENCE

• Sturtevant has been perfecting particle sizing for over 130 years with thousands of installations worldwide.
• Sturtevant employees average over 20 years of service
• Customer driven innovation, including more variety and accessories than any other manufacturer

3

REABILITY

• Sturtevant is a family run business currently in its fifth
generation of family management
• Made in the USA with domestic manufacturing
• Over 60% of our sales are repeat customers

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