EVO Hummer Exhaust Fan
The fan is mainly composed of blades, belt pulley, blade hub, belt, bearing, blade support, shutters, frame, protection mesh and motor. Shutters are automatically opened and closed by the gravity-based hammer mechanism, which also provides protection from wind, rain, and dust.
- Reliable Gravity-Based Shutter System
- Heavy Duty Industrial Construction
- Automatic Louver Operation
- Suitable for Poultry & Greenhouses
- Easy Installation & Maintenance
Key Features
Hummer Fan vs Push-Pull Fan
| Feature | Hummer Fan | Push-Pull Fan |
|---|---|---|
| Shutter Mechanism | Gravity Driven | Centrifugal Mechanical Linkage |
| Opening Angle | Less than 90° | 90° Fully Open |
| Air Volume | Standard | 20-30% Higher |
| Efficiency | Good | Excellent |
| Initial Cost | Lower | Higher |
| Installation | Easy | Easy |
Air Flow Curve Diagram
Performance Specifications
| Model | Air Flow | Power | Noise |
|---|---|---|---|
| EVO-1380 (50") | 46000 m³/h | 1100W | ≤60 dB |
Fan Blade
Material: 430 Krupp Stainless Steel with 1.2mm Thickness
Feature: Blade shape is designed after double tested. Big airflow, No deformation, No broken.
Fan Belt Pulley
Material: Aluminum-magnesium Alloy
Feature: Good outlook with light weight. Especially reinforcing rib to increased strength. No broken. Long service life.
Fan Blade Hub
Material: Aluminum-magnesium Alloy
Feature: Fan blade hub is made by primary pressing. High strength, No deformation and broken. Smoothly edge. Highly accurate position. Easy to install.
Motor
Type: Chinese Motor and Siemens Motor
Feature: Voltage and frequency can be customized according to requirements. Equipped with phase failure protection device, IP55 protection class and F grade insulation.
Protection Mesh Guard
Material: Hot-Dip Galvanized Wire with Electrostatic Plastic Spraying
Feature: Rust-resistant construction with durable coating. Attractive appearance and long-lasting performance.
Frame
Material: 275g Coating Weight Galvanized Sheet
Feature: Manufactured using advanced automatic equipment with precision punching and bending for high accuracy and durability.
Shutter Plastic Part
Material: High Strength Nylon
Feature: Durable and deformation-resistant design with smooth edges. Enables easy shutter opening and closing.
Blade Support
Material: Hot-Dip Galvanized Steel (3mm Thickness)
Feature: Strong support structure designed to resist rust, provide stability and ensure long service life.
Bearing
Feature: High-quality double-row bearing with low noise operation, high precision and extended service life.
Fan Belt
Type: Chinese Belt and Japanese Mitsuboshi Brand Belt
Feature: High durability belt designed for smooth operation, long service life and minimal maintenance.
Applications
- Poultry Farms
- Greenhouses
- Dairy Farms
- Industrial Buildings
- Warehouses
- Manufacturing Facilities