Custom System Solutions
Push-Pull Hall Ventilation Systems
The Bomaksan Push-Pull Hall Ventilation System is designed to provide efficient and controlled ventilation in industrial halls where welding fumes, dust, and airborne contaminants are generated.
The system operates using ducts installed on opposite sides of the hall, typically 4–6 meters above ground level. These ducts work simultaneously to push clean air into the space and pull contaminated air away, creating a balanced and effective air circulation pattern.
Both ducts are connected to a central filtration unit, ensuring clean and safe air is continuously supplied throughout the facility.
Two Ventilation Methods — Designed for Your Hall’s Needs
Bomaksan engineers have developed two distinct push-pull ventilation concepts to ensure optimal air quality depending on hall height and pollutant load:
1️⃣ Mixed Ventilation (Push-Pull Mixing Ventilation)
Recommended when:
- Hall height is below 7.5 meters, and/or
- Annual welding wire consumption is below 10 tons
Mixed ventilation creates a homogenous airflow pattern, ensuring pollutants are diluted and extracted efficiently.
2️⃣ Upstream Layered Ventilation (Displacement Ventilation)
Recommended when:
- Hall height is above 7.5 meters, and/or
- Annual welding wire consumption is above 10 tons
This method uses a layered airflow strategy, introducing fresh air near the floor and allowing thermal updrafts to carry welding fumes upward, where they are captured and filtered.
Energy-Efficient & Project-Specific Engineering
Bomaksan’s engineering team, project designers, and solution partners provide fully customized, energy-efficient ventilation systems tailored to the characteristics of each hall and production process.
With Bomaksan systems, facilities benefit from:
- Compliance with occupational exposure limits
- Minimal pollutant concentration for employees
- High-efficiency filtration units with low energy consumption
- Long-term scalability through modular system design
Bomaksan’s modular central units allow future capacity increases without requiring a full system replacement, protecting your investment as your production grows.
Upstream Layered Ventilation – How It Works
In layered (displacement) ventilation, clean air is supplied through floor-level diffusers.
This low-velocity air moves upward as it warms, carrying welding fumes and airborne contaminants toward the ceiling level, where they are extracted by the push-pull duct system.
This method offers:
- Highly targeted removal of welding fumes
- Reduced mixing of contaminated air
- Lower energy consumption compared to traditional high-velocity systems
Improved worker health and comfort
Key Advantages of Push-Pull Hall Ventilation
- Effective removal of welding fumes and airborne pollutants
- Tailored design for different hall sizes and welding intensities
- Modular system structure allows easy future expansion
- Energy-efficient operation with reduced heating losses
- Improved compliance with occupational health standards
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