HD Series - Flangefit, Galvanised Steel Blades, Hand Operated/Extended Spindle Conventional Heat Detectors for frequent inspection or occasional

for frequent inspection or occasional maintenance

AOV windows requiring actuators must be tested to BS EN 12101-2 and carry the appropriate CE marking

The Velocity through podded silencer should not exceed 15m/s

Exceptionally flexible and universally applicable

The Lobby Damper series comprises of 2 models

HD Series - Flangefit, Galvanised Steel Blades, Hand Operated/Extended Spindle Conventional Heat Detectors for frequent inspection or occasionalThe HD series damper range offers blade profiles that provides air volume control through to low closed blade leakage characteristics, that have been designed for systems where high air pressures and velocities are involved. With its robust construction the HD series damper makes it the ideal choice for use on air handing units and the aerodynamic blade profile encourages smooth airflow offering minimal pressure drop. Side covers are fitted to the