FireDos ECO Proportioners
Proven Mechanical Foam Proportioning for Industrial Fire Protection
FireDos ECO proportioners provide cost-efficient mechanical foam dosing for fixed industrial fire suppression installations.
Based on proven FireDos mechanical technology, the ECO series combines reliable operation, simplified configuration and optimized investment cost — making it ideal for standard industrial applications requiring dependable performance and fast delivery.
Mechanical Operating Principle
FireDos ECO proportioners operate purely mechanically and are driven exclusively by the extinguishing water flow.
• Water flow powers the internal water motor
• The proportioning pump is directly mechanically coupled
• Foam concentrate is injected at a fixed 3% ratio
• Proportioning remains stable across varying flow conditions
No external energy source is required, ensuring reliable operation during emergency scenarios.
Key Advantages
• Purely mechanical design
• No electrical dependency
• Fixed 3% proportioning rate
• No calibration required
• Not affected by pulsation or discharge height
• Simple and robust construction
• Optimized investment cost
• Units typically available from stock
Available Models
The FireDos ECO series is available in three standard sizes:
• FDE 1000/3 – 300 to 1,000 l/min
• FDE 2000/3 – 600 to 2,000 l/min
• FDE 4000/3 – 1,000 to 4,000 l/min
Working pressure up to 12 bar.
Suitable for foam concentrates within defined viscosity limits.
Environmentally Responsible Testing
The ECO series allows easy and environmentally friendly testing of the mixing rate.
• Flow can be verified without foam discharge
• Reduced environmental impact
• Simplified system verification
Typical Applications
• Pump room installations
• Tank protection systems
• Foam monitor installations
• Industrial facilities
• Retrofit and modernization projects
FireDos ECO Proportioners provide reliable, simplified and economically optimized mechanical foam dosing for industrial fire protection systems.
