Overview
The BAD/BND series represents the pinnacle of high-capacity centrifugal fan design, delivering up to 185,000 CMH with double inlet configuration. These fans are engineered for large air handling units, industrial applications, and energy-critical systems where maximum efficiency and performance are non-negotiable.
Available Models: BAD (Airfoil blade design) and BND (Plate blade design) with widths from 250-1400mm and rotating diffuser option
Parameters Comparison
| Specification | BAD | BND |
|---|---|---|
| Blade Type | Airfoil | Plate |
| Max Airflow (CMH) | 185,000 | 120,000 |
| Max Pressure (Pa) | 2,700 | 2,700 |
| Width Range (mm) | 250-1400 | 250-1000 |
| Blade Count | 11 blades | 10 blades |
| Inlet Configuration | Double inlet | Double inlet |
Advantages
BAD - Energy Efficient
Energy Saving: Advanced airfoil design minimizes power consumption for maximum efficiency at all operating points.
Ultra-High Airflow: Delivers exceptional 185,000 CMH capacity for the largest AHU applications.
Large AHU Ready: Specifically engineered for mega-scale air handling units in commercial complexes.
BND - Cost-Conscious
Cost-Effective Solution: Plate blade construction with excellent value proposition for general ventilation.
Easy Maintenance: Straightforward design allows for quick service and cleaning procedures.
General Ventilation: Ideal for applications where total delivered capacity matters most.
Technical Features
Advanced Design
- Variable width construction for precise capacity optimization (250-1400mm)
- Double inlet centrifugal design for balanced airflow distribution
- Backward curved impeller for smooth, non-stalling operation
- High airflow capability supporting mega-scale air handling systems
Rotating Diffuser Technology
Optional rotating diffuser provides significant performance enhancements:
Pressure Increase
System static pressure boost
Noise Reduction
Acoustic improvement
Efficiency Gain
Overall system efficiency
Performance & Compliance
- Direct or belt drive options for motor flexibility
- ATEX certification available for hazardous area compliance
- AMCA certified performance validates all published specifications
- CE marking ensures compliance with European machinery directives
Build Quality
- Heavy-duty construction for continuous duty applications
- Precision-balanced impellers minimize vibration and noise
- Premium bearing systems rated for 40,000+ operating hours
- Thermal management systems for extended equipment lifespan
Typical Applications
| Application Sector | Specific Use Case | Typical Capacity |
|---|---|---|
| Large Commercial | Central AHU for shopping malls, airports, convention centers | 100,000-185,000 CMH |
| Industrial Facilities | Manufacturing plants, warehouses, logistics centers | 80,000-150,000 CMH |
| Healthcare Systems | Hospital central ventilation, operating theater AHU | 60,000-120,000 CMH |
| Data Centers | Precision cooling systems for server rooms | 90,000-140,000 CMH |
| Clean Room Technology | Pharmaceutical and semiconductor clean spaces | 70,000-130,000 CMH |
| Hypermarkets | Large-scale retail cooling and ventilation | 100,000-170,000 CMH |
Selection Guide
| Building Type | Typical Size | Recommended Model | Airflow Range |
|---|---|---|---|
| Shopping Mall | 50,000 m² | BAD 800-1000 | 120,000-150,000 CMH |
| Hospital | 30,000 m² | BAD 600-900 | 80,000-120,000 CMH |
| Airport Terminal | 100,000+ m² | BAD 1200-1400 | 160,000-185,000 CMH |
| Data Center | 10,000 m² | BAD 600-800 | 90,000-130,000 CMH |
| Manufacturing Plant | 40,000 m² | BND 800-1000 | 80,000-120,000 CMH |
| Hypermarket | 25,000 m² | BAD 700-900 | 110,000-140,000 CMH |
Comparison with Competitors
| Feature | Insovent BAD/BND | Competitor A | Competitor B |
|---|---|---|---|
| Max Capacity (CMH) | 185,000 (BAD) | 160,000 | 170,000 |
| Double Inlet | Yes | Yes | Yes |
| Width Range | 250-1400 mm | 250-1200 mm | 300-1200 mm |
| Rotating Diffuser | Optional (+7% pressure) | Not available | Fixed design |
| Blade Options | Airfoil & Plate | Plate only | Airfoil only |
| Drive System | Direct & Belt | Belt only | Direct only |
| ATEX Capable | Yes | Limited | Yes |
| Bearing Life Rating | 40,000+ hours | 35,000 hours | 38,000 hours |
Price List
Custom pricing for large-capacity systems.
For mega-projects and bulk orders, contact our enterprise sales team for comprehensive proposals and volume discounts.
Contact Sales TeamCatalogue & Technical Documentation
Complete technical resources for BAD/BND series design and installation:
Complete Specifications
Technical data sheets, dimensional drawings, and 3D CAD models for all BAD/BND configurations.
Download →Selection Tools
Interactive capacity calculator and performance curve charts for optimal model selection.
Use Tool →Installation Manual
Complete installation, commissioning, and maintenance procedures with troubleshooting guide.
Download →