Large Format Volume Control Dampers - LF-UPVC-VCD

An exceptionally low leakage volume control damper, designed for natural ventilation applications in the next generation of energy efficient buildings. Part L of building regulations demands a leakage of no more than 10m3/hr/m2 at 50 Pa. LF uPVC volume control dampers have been independently tested and confirmed to have a leakage of just 2.85 m3/hr/m2 , over 70% less than required by building regulations. The plastic construction also serves to make the whole damper a thermal break with a calculated U value of just 1.2 W/m2K, and also imparts an extremely high level of corrosion resistance. Available with a range of control options including manual handles and a full range of factory fitted actuators.

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