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... the highest pressure difference over damper blade in closed position. Tightness class C on the housing and tightness class 4 for closed damper. The entire damper is made of galvanised sheet steel. The ...
SWEGON
... Presentation
The backdraft
damper for PRANA decentralized double-flow
ventilation units consists of a plastic ring with a movable membrane. The
damper is designed to prevent reversal of airflow ...
... The weather protection grid, System 551C, from MLL Hamburg, is an overpressure valve made of aluminium with a free ventilation cross section of 60%. The MLL overpressure valves protect in areas where rapid pressure relief must be provided. ...
MLL-HAMBURG®
... The weather protection grid, System 552C, from MLL Hamburg, is a ventilation grid made of aluminium with a free ventilation cross section of 60%. The MLL overpressure valves protect in areas where rapid pressure relief ...
MLL-HAMBURG®
... The weather protection grid, System 553C, from MLL Hamburg, is a ventilation grid made of aluminium with a free ventilation cross section of 60%. The MLL overpressure valves protect in areas where rapid pressure relief ...
MLL-HAMBURG®
... Round, manually adjustable damper for installation in round supply and return air channels according to DIN EN 1506 for regulating the volumetric flows in ventilation and air-conditioning systems. Damper ...
SCHAKO KG
... most industrial buildings. It provides continuous weatherproof ventilation through its two controllable side dampers, irrespective of the weather. Weatherlite has either pneumatic or electric controls. ...
... Quick to install due to the individually pre-calibrated airflow values. This airflow damper is maintenance free because the dust doesn´t effect the measurement sensors. Halton Max Ultra Circular (MUC) has wide measurement range. Variable ...
... Opposed blade damper with galvanised steel housing and extruded aluminium counter rotating blades. The aluminium blades are equipped with an air tight seal and maintenance free bearings. Housing meets Class C following EN1751, blades ...
GRADA International
... Overview The WCS Series dampers are ducts aluminium overpressure dampers fixed through movable horizontal elements. They find their application in all those cases where it is necessary to insert a duct disposal to ...
... The walls of a cold room are constantly subjected to strains caused by pressure variations, either from inside or from outside. The valves FERMOD patented, make it possible to balance internal and external pressures, through venting. DESCRIPTION OF ...
FERMOD
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