TROX Constant Volume Damper ‘VFL’

Circular, mechanical self-powered controllers for insertion into ducting, for the quick and easy balancing of constant volume flow rates in ventilation and air conditioning systems

• Unique damper blade edge for acoustic optimisation
• Simple and quick commissioning on site
• Range of volume flow rate setpoints for each nominal size
• Precise and simple setting of volume flow rates using a scale
• Best accuracy among controllers for insertion
• Suitable for low airflow velocities from 0.8 m/s
• Any installation orientation; maintenance-free