Rail Transit Systems
Air Guard CleanWay Series products ensure the air quality of public transportation.
Air Guard CleanWay Series Rail Transit Air Purification Solutions
Challenges of Rail Transit Pollution
With daily passenger volumes exceeding tens of millions in enclosed rail environments, complex air threats emerge from microbial contamination, metal dust, and vehicle exhaust particulates. Leveraging deep expertise in rail transit operations, Air Guard has developed a physically barrier-based pre-filtration and medium-efficiency integrated filtration system. This solution achieves low-resistance filtration performance while effectively intercepting infectious aerosols, providing comprehensive air purification for rail systems to safeguard passenger health.
Air Guard CleanWay Series Technical Advantages
Physical Barrier Filtration
Zero Ozone Emission: Avoids ozone generation from electronic filters, ensuring respiratory safety for passengers and maintenance crews.
No Microbial Mutation: Physical filtration preserves microbial genetic integrity, eliminating mutation risks during filtration.
Non-Corrosive: No chemical agents or corrosive gas emissions, protecting rail equipment and operational environments.
EMI-Free: Eliminates electromagnetic interference risks, ensuring stable signaling system operation.
Easy Installation: Integrated design simplifies maintenance and reduces operational costs.
Case Study: Dongguan Metro Line 2
Urban rail systems demand high air quality to protect passengers’ health and comfort. Air Guard customized an air purification solution for Dongguan Metro Line 2 to address these challenges. Implementation Nano-High-Efficiency Filters: Capture 99.97% of particulates (PM2.5, bacteria) and VOCs (formaldehyde, toluene) via HEPA H13 certification. Negative Ion Generators: Enhance particle neutralization efficiency by 40% in HVAC systems. Hydrophobic Coating Filters: Prevent moisture film formation in high-speed tunnels, maintaining consistent airflow and reducing energy consumption by 25%.
Rail Transit Systems-related products
Panel Pre-filter
Filtration Class: G3~M5
Filter Media: Double-layer synthetic fiber
Structure: Diversified structural design to cater to the needs of various application scenarios
Continuous Operating Temperature: ≤68°C
Recommended Final Resistance: ≤250 Pa
Primary Application: Suitable for use as a pre-filtration device in the intake and exhaust systems of air-conditioning unit ventilation.
Features: Low initial pressure drop, long service life, and particulate removal efficiency >90%.
High temperature filter
Filter Grade: CN95 high-efficiency filtration of fine particulates and other pollutants in the air, providing clean air for the cabin.
Filter Material: Double-layer synthetic fiber.
Structure: Designed specifically for the unique application environment of rail transit, effectively filtering heavy metal dust pollution and intercepting aerosols, droplet nuclei, and other carriers of viruses such as influenza and pneumonia transmitted through passengers’ respiratory systems, reducing the risk of disease transmission.
Continuous Operating Temperature: ≤70°C.
Recommended Final Resistance: ≤250 Pa.
Primary Applications: Suitable for air conditioning systems in various high-speed trains, subways, Shinkansen carriages, and driver’s cabs.
Pocket Filter
Filter Grade: G4~M6
Filter Media: Double-layer Synthetic Fiber
Structure: Ultrasonic Welded Filter Bags, Self-supporting Filter Bags
Continuous Operating Temperature: ≤70°C
Recommended Final Resistance: ≤250Pa
Features: Low initial pressure drop, long service life, high efficiency, and high dust holding capacity.
Primary Application: Suitable for pre-filtration devices in the initial stage of ventilation intake systems.
Foldable Filter Cotton
Filter Grade: G4-F8
Filter Material: High-performance synthetic fiber with high tensile strength
Structure: Incremental design with adhesive-treated filter cotton ensures permanently captured particles during its service life
Continuous Operating Temperature: ≤100°C
Primary Applications: High-speed rail, subway, light rail, intercity rail; 100% capture of particulates >10μm
Compliance: DIN 5510:2 S4/ST2/SR2
V Bank Filter
Filtration Grade: F8~E12
Filter Media: Dual-Layer High-Density Glass Fiber Material
Structure: “W”-Shaped Structure with Outlet Protection Mesh
Continuous Operating Temperature: ≤68°C
Recommended Final Resistance: ≤650 Pa
Primary Application: High-Efficiency Filter for the Final Stage of Gas Turbine Fresh Air Intake Systems
Features: Low Initial Resistance, Long Service Life, High Burst Strength, Particle Removal Efficiency >99.5%
Pocket Filter
Filter Grade: M5~F8
Filter Media: Multi-layer Fluffy Synthetic Fiber Cotton
Structure: Triangular “V”-shaped Segmented Stitching Technique
Continuous Operating Temperature: ≤68°C
Recommended Final Resistance: ≤450 Pa
Primary Application: Suitable as the main filter in air conditioning unit ventilation systems.
Features: Low initial pressure drop, long service life, and particle removal efficiency >95%.
PTFE Filter without Separator
Filtration Class: E10~U16
Filter Media: PTFE Membrane Material
Structure: Pleated Panel with No Partitions
Continuous Operating Temperature: ≤68°C
Recommended Final Resistance: ≤350 Pa
Primary Application: Suitable for the final air supply in clean rooms of air conditioning systems.
Features: High efficiency, low resistance, and long service life. The PTFE membrane material ensures particulate removal efficiency >99.99995% at MPPS (Most Penetrating Particle Size).
Nano High-Efficiency V Bank Filter
Filtration Class: E10~H14
Filter Media: Nanocomposite Fiber
Structure: “W”-shaped Structure, Designed for High Airflow Intake with Large Filter Media Area
Continuous Operating Temperature: ≤68°C
Recommended Final Resistance: ≤650 Pa
Primary Application: Suitable for high-efficiency filtration systems at the end of high-airflow air-conditioning units.
Features: Compared to conventional glass fiber filters, this filter offers lower resistance, higher airflow capacity, and a longer service life. The nanocomposite fiber media ensures particulate removal efficiency >99.995% at MPPS (Most Penetrating Particle Size)
Panel Filter without Separator
Filtration Grade: E10~U16
Filter Media: Low-Boron Ultra-Fine Glass Fiber Material
Structure: Pleated Panel Design without Partitions
Continuous Operating Temperature: ≤68°C
Recommended Final Resistance: ≤350 Pa
Primary Application: Suitable for the final air supply in cleanrooms of air conditioning systems.
Features: High efficiency, low resistance, and long service life. The low-boron ultra-fine glass fiber material ensures particulate removal efficiency >99.99995% at MPPS (Most Penetrating Particle Size).
High Efficiency V Bank Filter
Filtration Class: E10~H14
Filter Media: Double-Layer High-Density Glass Fiber Material
Structure: “W”-shaped Structure, Designed for High Airflow with Large Filter Media Area
Continuous Operating Temperature: ≤68°C
Recommended Final Resistance: ≤650 Pa
Primary Application: Suitable for high-efficiency filtration systems at the end of high-airflow air-conditioning units.
Features: Low initial pressure drop, long service life, and particulate removal efficiency >99.995% at MPPS (Most Penetrating Particle Size).
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