Product description
1. Product Name
Main Product Name
SDF Tunnel Ventilation Fan
SEO Recommended Keywords
Primary Keywords
SDF Tunnel Ventilation Fan
SDF Tunnel Axial Flow Fan
Tunnel Construction Ventilation Fan
High Pressure Tunnel Ventilation Fan
Tunnel Air Supply Fan
Underground Ventilation Fan
Mining Tunnel Ventilation Fan
Counter Rotating Tunnel Fan
2. Product Overview
SDF Tunnel Ventilation Fan
The SDF Tunnel Ventilation Fan is a high-pressure axial flow ventilation fan specially designed for underground construction and tunnel excavation projects.
It provides continuous fresh air through flexible ventilation ducts to tunnel working faces and removes:
Dust
Blasting fumes
Diesel exhaust gases
Harmful gases
Heat accumulation
SDF tunnel fans are widely used in:
Highway tunnel construction
Railway tunnel construction
Subway projects
Hydropower tunnels
Mining engineering
Underground facilities
The SDF series is designed for ducted ventilation systems where high pressure and long-distance air supply are required.
3. Main Applications
Highway Tunnel Construction
Tunnel Construction Ventilation System
Applications:
Highway tunnels
Mountain tunnels
Urban underground roads
Long-distance tunnel excavation
Functions:
Provide fresh air supply
Remove construction pollutants
Improve working conditions
Maintain safe tunnel environments
Keywords:
Highway Tunnel Ventilation Fan
Tunnel Construction Fan
Railway Tunnel Construction
Railway Tunnel Ventilation Fan
Applications:
High-speed railway tunnels
Underground railway projects
Metro construction
Functions:
Long-distance air supply
Working face ventilation
Dust and gas control
Keywords:
Railway Tunnel Ventilation Fan
Underground Railway Ventilation Fan
Mining Tunnel Ventilation
Underground Mine Ventilation Fan
Applications:
Metal mines
Underground mines
Mining development tunnels
Functions:
Working area ventilation
Gas dilution
Air circulation improvement
Keywords:
Mining Tunnel Ventilation Fan
Underground Mine Fan
4. Working Principle
Ducted Axial Flow Ventilation System
Operating process:
Fresh Air Intake
↓
SDF Tunnel Fan
↓
Flexible Ventilation Duct
↓
Tunnel Working Face
↓
Exhaust Gas Removal
The fan generates high-pressure airflow and delivers fresh air through ventilation ducts to distant tunnel sections.
5. Product Types
SDF(A) High Pressure Tunnel Fan
High Pressure Axial Flow Fan
Features:
High pressure performance
Energy-saving operation
Low noise design
Suitable for long-distance ventilation
Applications:
Subway construction
Small and medium tunnel projects
Underground engineering
SDF(B) Counter Rotating Tunnel Fan
Double Stage Axial Flow Fan
Features:
Two-stage impeller design
Counter rotating blades
Higher pressure capability
Long-distance air supply performance
Advantages:
Increased pressure
Stable airflow
Suitable for high resistance ventilation systems
Applications:
Long tunnels
Large underground projects
Mining ventilation systems
6. Product Structure
Fan Casing
Features:
High-strength steel construction
Anti-corrosion treatment
Suitable for underground environments
Materials:
Carbon steel
Galvanized steel
Stainless steel options
Impeller
Features:
Aerodynamic blade design
High strength blades
Optimized airflow performance
Advantages:
High efficiency
Low vibration
Stable operation
Motor
Standard configuration:
Three-phase motor
IP55 protection
Class H insulation
Options:
Explosion-proof motor
Variable frequency motor
Special voltage motor
Silencer
Optional:
Inlet silencer
Outlet silencer
Benefits:
Reduced operating noise
Improved working environment
7. Product Advantages
High Pressure Performance
SDF tunnel fans are designed for projects requiring long-distance ventilation.
Advantages:
Strong pressure capability
Long air supply distance
Stable airflow performance
Large Air Volume
Advantages:
Rapid air circulation
Efficient pollutant removal
Suitable for large excavation areas
Energy Efficient Design
Features:
Optimized aerodynamic structure
High efficiency motor
Reduced power consumption
Benefits:
Lower operating cost
Improved energy efficiency
Low Noise Operation
Suitable for:
Urban underground projects
Metro construction
Residential areas
Noise reduction methods:
Aerodynamic optimization
Silencer installation
Vibration control
8. Technical Specifications
Parameter Specification
Product Type SDF Tunnel Ventilation Fan
Fan Type Axial Flow Fan
Application Tunnel Construction
Installation Tunnel Entrance / Ventilation Station
Air Volume Customized
Pressure Customized
Fan Diameter Customized
Motor Power Customized
Voltage Customized
Frequency 50Hz / 60Hz
Protection Grade IP55
Control Mode Direct Start / VFD
email：sales@ems-fanstech.com
Phone / WhatsApp：+8613806436890