



TROX CAV BOX (RN)
FOR THE PRECISE CONTROL OF CONSTANT VOLUME FLOW RATES
Circular self-powered volume flow controllers for the control of supply air or extract air in constant air volume systems
- Volume flow rate can be set using an external scale, no tools required
- High control accuracy
- No on-site test measurements required for commissioning
- Suitable for airflow velocities of up to 12 m/s
- Any installation orientation; maintenance-free
- Casing air leakage to EN 1751, class C
- Technical data
- Variants
- Data Sheet
- Manual
- Certificate
- Nominal size: 80-400 mm
- Volume flow rate range: 11 – 1400 l/s or 40 – 5040 m³/h
- Volume flow rate control range: Approx. 25 to 100 % of the nominal volume flow rate
- Scale accuracy: ±4%
- Minimum differential pressure: 50 Pa (nominal size 80: 100 Pa)
- Maximum differential pressure: 1000 Pa
- Operating temperature: 10 to 50 °C
- RN-S: Compact-height volume flow controller
- RN: Volume flow controller
- RN-D: Volume flow controller with acoustic cladding
- RN-FL: Volume flow controller with flanges on both ends
- RN-D-FL: Volume flow controller with acoustic cladding and flanges on both ends
- Units with acoustic cladding and/or a secondary silencer Type CA or CS for demanding acoustic requirements
- Acoustic cladding cannot be retrofitted
