Exhaust air device GPDF/GPDB-C, FläktGroup

Is a valve for universal use in comfort ventilation. The valve is easy to preset to desired pressure drop and quick to adjust. It has low noise level even for severe pressure drops. The valve is made of hot-dip galvanised steel sheet and is painted white. The device is fitted with mounting frame KGEZ-01 or KGEZ-05. Device size 200 is to be fitted with frame KKT-200 or KKU-200. When changing older valves the device can be fitted in old GP frames, however not size 125. In such cases device GPDF-100-012 is recommended, delivered with cover plate. GPDF and GPDB have a lockable setting that is easy to preset to match calculated pressure drop in relation to given fall in pressure. The valve GPDB has a bayonet fitting, differing from GPDF which has spring-action fitting.