Overview
The PAS/PNS series represents our standard centrifugal plug fan line, engineered for optimal performance in air conditioning and commercial ventilation systems. These fans feature variable width construction with backward curved impellers, delivering exceptional efficiency and reliability.
Available Models: PAS (Airfoil blade design) and PNS (Plate blade design)
Parameters Comparison
| Specification | PAS | PNS |
|---|---|---|
| Blade Type | Airfoil | Plate |
| Max Airflow (CMH) | 138,000 | 70,000 |
| Max Pressure (Pa) | 3,500 | 3,500 |
| Width Range (mm) | 250-1600 | 250-1000 |
| Blade Count | 11 blades | 10 blades |
| Efficiency | ≈ 75% | 73-74% |
Advantages
PAS - Premium Performance
High Efficiency: Airfoil blade design achieves up to 75% efficiency, reducing operating costs and energy consumption.
Lower Noise: Advanced blade geometry minimizes noise generation, ideal for noise-sensitive environments.
Continuous Operation: Engineered for 24/7 continuous duty cycles without degradation.
PNS - Cost-Effective Solution
Budget-Friendly: Plate blade construction offers excellent value without compromising core performance.
Easy Maintenance: Simplified design allows for straightforward cleaning and service procedures.
Proven Reliability: Thousands of installations in standard HVAC applications worldwide.
Key Features
Design & Performance
- Variable width construction for flexible installation and optimization
- Backward curved impeller design for smooth airflow and efficiency
- Pressure diffusion technology extends operational envelope
- Direct drive coupling for simple, reliable power transmission
Configuration Options
- 3 strength classes to match structural requirements
- 3 installation types (horizontal, vertical, angled)
- Explosion-proof option available for hazardous areas
- AMCA certified and CE marked for compliance
Standard Configuration
Fan Housing
Carbon steel construction with protective epoxy powder coating for durability and corrosion resistance.
Motor
Premium Siemens or ABB electric motors with high starting torque and thermal overload protection.
Bearings
NSK precision ball bearings with extended lubrication intervals and sealed cartridge design.
Vibration Isolation
Spring-type vibration isolators reduce transmitted vibration and noise to mounting structure.
Optional Add-Ons
Enhance your PAS/PNS fan with these available options:
- Flexible Connection: Elastomeric couplings for enhanced vibration isolation
- Cooling Ring: Integrated cooling system for motor thermal management
- Pressure Tapping Port: Access points for system pressure measurement
- Air Valve: Flow control and bypass valve integration
- Lifting Lugs: Reinforced handling points for safe installation and service
- Guards: Protective screens for safety and aesthetic integration
- Inlet Matching Flange: Custom ductwork connection interfaces
Selection Guide
| Application Type | Recommended Model | Typical Airflow Range | Pressure Range |
|---|---|---|---|
| Standard HVAC | PAS/PNS 250-800 | 10,000-80,000 CMH | 500-2,500 Pa |
| High Capacity AHU | PAS 1000-1600 | 80,000-138,000 CMH | 2,000-3,500 Pa |
| Low Pressure Applications | PNS 250-800 | 10,000-70,000 CMH | 500-1,500 Pa |
| Energy Optimization | PAS with EC Motor | Variable | Variable |
Typical Applications
| Application | Description | Recommended Series |
|---|---|---|
| Air Handling Units (AHU) | Central ventilation and air conditioning systems in commercial buildings | PAS 600-1200 |
| Make-Up Air Units (MAU) | Fresh air replacement systems for cleanrooms and industrial facilities | PAS 800-1600 |
| Commercial Spaces | Office buildings, shopping malls, hotels, hospitals | PAS/PNS 400-1000 |
| Constant Temperature Rooms | Data centers, server rooms, precision laboratories | PAS 500-1200 |
| Dehumidification Systems | Moisture control in storage and processing facilities | PAS 600-1000 |
| Industrial Ventilation | Factory and manufacturing plant air circulation | PAS 800-1600 |
| Warehouse Systems | Large space climate control and air distribution | PAS 1000-1600 |
Comparison with Competitors
| Feature | Insovent PAS/PNS | Competitor A | Competitor B |
|---|---|---|---|
| Max Pressure | 3,500 Pa | 3,200 Pa | 3,000 Pa |
| Width Adaptability | 250-1600 mm (PAS) | Fixed widths only | 250-1200 mm |
| Strength Grades | 3 classes available | 2 classes | 1 class |
| Customization | Extensive options | Limited | Standard only |
| Impeller Type | Airfoil & Plate | Plate only | Airfoil only |
| Efficiency Rating | Up to 75% | 70% | 72% |
Comparison with EC Series
The EC Series represents our premium electronically commutated fan line. Compare to determine the best fit for your application:
| Characteristic | PAS/PNS (AC) | EC Series |
|---|---|---|
| Motor Type | AC induction motor | Electronically commutated (brushless DC) |
| Efficiency | 75% (PAS) | 85%+ |
| Protection Class | IP54 standard | IP55 standard |
| Speed Control | VFD required | Built-in PWM control |
| Cost Positioning | Cost-effective | Premium investment |
| Maintenance | Standard | Minimal - sealed bearings |
| Lifespan | 15-20 years | 20-25 years |
Price List
Pricing information coming soon.
Contact our sales team for current pricing and volume discounts.
Request a QuoteCatalogue & Resources
Access detailed technical documentation and specifications:
Product Catalogue
Complete technical specifications, dimensional drawings, and performance curves.
Download PDF →Installation Guide
Step-by-step installation and commissioning procedures for all configurations.
Download PDF →Maintenance Manual
Regular maintenance schedules, troubleshooting, and spare parts information.
Download PDF →