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FANS & HEATERS

CHOOSING THE RIGHT AERATION SYSTEM.

Having the right size fan and drying system for your operation is essential. Too much airflow can be just as bad – sometimes even worse – than too little airflow.

Choose from a variety of high efficiency vane axial, centrifugal, and inline centrifugal fans and heaters, all with features designed to reduce costs and boost performance.

No matter the fan size or type, our network of experienced dealers is the most knowledgeable in the field to ensure you equip your bin with the aeration and conditioning system that matches your specific requirements.

PRODUCT COMPARISON

Compare each of our products side by side to see which is the best fit for your farm and for you.

FEATURES

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VANE AXIAL FANS

For application requiring high airflow at static pressures below 6” (depending on bin diameter), GSI offers vane axial fans in 12” diameter (1 HP) through 28” diameter (15 HP). Vane axial fans 18” and smaller use cast aluminum blades. Vane axial fans 24” through 28” use durable composite airfoil blades that are lightweight for easy starting and function well in this type of environment.

The 12” through 28” (1 – 15 HP) units feature a 3450 RPM motor for increased fan performance and energy efficiency. Close fan blade tip clearance and straightening vanes provide maximum air flow and reduced turbulence to ensure smooth and consistent airflow.

All 24” and 28” vane axial fans also include a durable plastic inlet venturi which funnels air more efficiently into the fan.

Redesigned wind ring and wind ring brackets reduce bolt holes in stiffeners, resulting in increased load capacity. Swaged, bolted splice ensure your 40-Series bins will stand up to the toughest wind conditions.

INLINE CENTRIFUGAL FANS

Aeration jobs at high static such as with milo, wheat or rape seed require special consideration. Aerating tall hopper tanks presents another challenge. The inline centrifugal fan is designed to handle both of these applications effectively.

Suited for higher static pressures, beyond the performance range of vane axial fans, the inline centrifugal fan offers higher static pressure capabilities than a 1750 RPM centrifugal fan at a lower cost.

Inline centrifugal fans make less noise than vane axial fans at 3500 RPM due to the fan wheel being totally enclosed in the fan housing. Inline Centrifugals cannot be used with heaters due to their design.

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1750 RPM CENTRIFUGAL FANS

GSI’s 1750 RPM centrifugal fans are built with a heavy galvanized steel, scroll-type housing and inverted inlet venturi. A non-overloading backward-inclined airfoil wheel provides high airflow with a long motor life. These fans operate at a very low noise level and are designed to accommodate a variety of heaters for use on drying bins where higher capacities are required. Models are available from 5 — 50 HP with static pressures up to 11″.

3500 RPM CENTRIFUGAL FANS

GSI also manufactures a 3500 RPM centrifugal fan designed to operate in static pressures up to 22″. These fans are used primarily with tall tanks or small grains tanks with high resistance to airflow. 3500 RPM centrifugal fans cannot be used with heaters due to their design.

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VANE AXIAL DOWNSTREAM HEATERS

For use as a medium to high temperature downstream on axial fans or with deluxe models as a low temperature, equilibrium or medium temperature burner on 1750 RPM centrifugal fans. With capacities up to 3.0 million BTU/​hr., our vane axial fan and heater combination provides the very best in high capacity grain drying. Vane axial heaters are available in 18″ to 28″ dia., liquid propane, propane vapor or natural gas models.

CHI-TOWN UPSTREAM HEATERS

GSI’s “Chi-Town” heater is a low or medium temperature burner for use only upstream on 1750 RPM centrifugal fans. Capable of .3 to 1.1 million BTU/​hr., and available in propane vapor or natural gas, “Chi-town” is perfect for the drying/​aeration of rice, corn or other select grains.

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CENTRIFUGAL DOWNSTREAM HEATERS

For use downstream as a medium or high temp burner on 1750 RPM centrifugal fans. Not for use as a low temperature burner. Specially designed burners are adjustable for uniform heating temps with a choice of liquid propane, propane vapor or natural gas. Available for GSI 1750 RPM (10 – 40 HP) centrifugal models, the downwind centrifugal burner is capable of capacities up to 4.2 million BTU/​hr.

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Brochure

Download our brochure to learn more about available ranges and options.