T4-72 Ventilation Fan
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The T4-72 Series Low-Pressure Centrifugal Fan is designed for grain processing applications including ventilation, dust removal, drying, cooling, and suction gravity stoner operation. It handles air with dust up to 150 mg/m³ and temperatures not exceeding 80°C. The large circular blade design features laser-cut, precision-balanced impellers for smooth, efficient, and low-noise operation.
The fan housing includes a dust removal opening for easy cleaning and maintenance. Available in A-type direct drive and C-type belt drive configurations, capacities range from 794 to 75,552 m³/h with pressure from 18 to 340 mmH₂O. Widely used in flour mills, rice mills, feed plants, and grain storage facilities for reliable ventilation and dust control.
Key Features
High Efficiency With Optimized Aerodynamic Design
Refined impeller geometry minimizes flow losses and maximizes pressure generation, delivering a smooth efficiency curve across varying conditions. Lower power consumption reduces operating costs, especially for continuous or multi-fan facilities. High efficiency is maintained even in dusty grain processing environments, minimizing performance degradation from particle accumulation for long-term energy savings.
Precision-Balanced Impeller for Smooth, Low-Noise Operation
Large circular blade design with excellent aerodynamics reduces turbulence and noise. Each impeller undergoes precision balancing correction after assembly to eliminate vibration. Laser-cut blades ensure shape accuracy and consistency. This combination results in exceptionally smooth, quiet operation, longer bearing life, and reduced maintenance—ideal for noise-sensitive food plants or residential areas.
Durable Construction With Laser-Cut Precision Blades
Laser cutting guarantees precise, consistent blade shapes for predictable performance. Robust impeller withstands continuous operation and abrasive dust-laden air. Heavy-duty housing ensures structural integrity over years of service. Stainless steel options available for corrosive or hygiene-critical applications. Reliable durability maintains performance across extended service life in demanding grain processing.
Easy Maintenance With Integrated Dust Removal Opening
Strategically placed dust removal opening allows operators to easily clean accumulated debris without disassembling the fan. Reduces downtime, extends periods between major service interventions, and provides inspection access for routine preventive maintenance. Especially valuable in dusty grain processing where rapid accumulation affects performance, simplifying upkeep and lowering labor costs.
Wide Flow and Pressure Range With Multiple Drive Configurations
Flow capacity from 794 to 75,552 m³/h, pressure from 18 to 340 mmH₂O. A-type direct drive offers compact, maintenance-free operation; C-type belt drive enables speed adjustment and remote motor mounting. Sizes from 3A to 12C, speeds at 1450 or 2900 rpm. Optimize for high-volume ventilation, dust collection, or pneumatic conveying.
Suited for Dust-Laden Air, High Temperature, and Grain Applications
Handles dust and hard particles up to 150 mg/m³ with robust wear-resistant design. Gas temperature capacity up to 80°C for drying, cooling, and processing. Conveys non-corrosive, non-spontaneous combustion gases. Ideal for flour mills, rice mills, feed manufacturing, grain storage aeration, and cleaning processes. Reduces need for pre-filtration, simplifying system design.
Technical Specifications
| Type | Flow (m3/h) | Total Pressure (mmH2O) | Power (kW) | Speed (r/min) |
| T4-72-3A | 3049-1588 | 73-116 | 1.5 | 2900 |
| T4-72-3A | 1524-794 | 18-29 | 0.75 | 1450 |
| T4-72-3.5A | 4811-2522 | 100-159 | 3 | 2900 |
| T4-72-3.5A | 2421-1261 | 25-40 | 1.1 | 1450 |
| T4-72-4A | 7160-3800 | 112-208 | 5.5 | 2900 |
| T4-72-4A | 3613-1882 | 33-52 | 1.1 | 1450 |
| T4-72-4.5A | 10700-5820 | 167-264 | 7.5 | 2900 |
| T4-72-4.5A | 5144-2680 | 41-65 | 1.1 | 1450 |
| T4-72-5A | 14710-8010 | 210-340 | 11 | 2900 |
| T4-72-5A | 7057-3676 | 50-81 | 2.2 | 1450 |
| T4-72-6A | 12640-7010 | 75-119 | 4 | 1450 |
| T4-72-6C | 4000-20426 | 30-281 | 1.5-15 | 900-2240 |
| T4-72-7C | 6261-24038 | 38-213 | 3-18.5 | 900-1800 |
| T4-72-8C | 9631-36234 | 61-325 | 4-37 | 900-1800 |
| T4-72-10C | 12192-48797 | 30-241 | 3-37 | 500-1250 |
| T4-72-12C | 19278-75552 | 28-279 | 3-75 | 400- |
FAQ
What is a ventilation fan used for in grain processing?
A ventilation fan is used for ventilation, dust removal, grain drying, cooling cleaning, suction gravity stoner, and powder suction in flour mills, rice mills, and grain storage facilities.
What is the maximum temperature for the T4-72 fan?
The T4-72 series is designed for gas temperatures not exceeding 80°C, suitable for most grain processing applications including drying and cooling.
What is the maximum dust concentration allowed?
The fan can handle gas with dust and hard particles up to 150 mg/m³, making it suitable for dust extraction applications common in grain processing.
What is the difference between axial and centrifugal fans?
Centrifugal fans generate higher pressure suitable for duct systems and dust collection; axial fans move high volumes at lower pressure for general ventilation.
How to choose the right fan size?
Selection is based on required airflow (m³/h) and system pressure (mmH₂O). The T4-72 series offers multiple sizes and speeds to match specific requirements; consult the performance data for each model.
What is the difference between A-type and C-type fans?
A-type are direct drive with impeller mounted directly on motor shaft; C-type are belt drive allowing speed adjustment and remote motor mounting for flexibility.
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