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... • Disturbances in the branches of the ventilation or air conditioning ductwork generate variations in airflow. • By using the airflow settings defined in the calculations, ensure the hygiene ( ventilation) or thermal ...
ALDES
... 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 ...
... Volume control and pressure relief dampers are indicated for the regulation and limitation of the air flow in the different locations of the installation. As well as the external air intake, which enables the evacuation or air suction, ...
... 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
... Securex is an automatic pressure controlled ventilation damper that has been designed to dissipate excess internal pressures. Simple locking - In the closed position the lid is locked closed by a stainless steel bolt ...
COLT FRANCE
... Explosion louver providing explosion venting and the ability to actuate as a damper for air intake and exhaust. ...
CS - Construction Specialties
... Regulating damper with opposed and aerodynamic vanes, manufactured in aluminium, KOOLAIR, model AOBD-102-E. The body of the damper has built-in air tight gaskets all around its inner perimeter to ensure a tight seal. ...
KOOLAIR S.A
... shut-off damper to control damper with perforated plate. Shut-off, adjustment, balancing or control damper Casing leakage classification: EN 1751, Class C Casing and damper blade ...
HALTON
... 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®
... Intended for equipping ventilation installations, the CAR backflow dampers prevent outside air from entering the premises in the event of a fan stop. The damper flaps are in the open position when the ...
... Casing made of aluminium profile class AI Mg Si 0.5 F22 Special plastic blades Minimum loss of pressure and extremelly low noise level Modular manufacturing for huge dimensions ...
... Opposed Blade Dampers - OBD Not usually sold as a standalone product, opposed blade dampers are an option for grilles and diffusers and provide the facility to balance air locally, rather than relying on volume control ...
Monodraught
... motors and dampers are packed separately to protect the motor during the transport. This fact allows to the distributor or the installer to stock dampers and motors separately in order to have more flexibility ...
... RECTANGULAR MULTI-LOUVER DAMPER Size 300/200 - 2000/2000 ...
... Commissioning/Shut-off damper - Ductwork leakage class 0 or 4 Tight-closing shut-off damper Ductwork Leakage Class 4 Motorised regulation (standard) Manual control through knob (accessory) Quick connection enables ...
P. LEMMENS COMPANY
... CHARACTERISTICS: Volume control dampers 100 mm pitch. ARTICLE DESCRIPTION: SRC100-P: opposed blade damper with pin for servo-motor (standard). SRC100-C: opposed blade damper with manual control. SRC100-PP: ...
BROFER SRL
... 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
... FOR SHUTTING OFF THE AIRFLOW IN AIR CONDITIONING SYSTEMS Rectangular multileaf dampers for volume flow and pressure control as well as for shutting off ducts and openings in walls and ceiling slabs Maximum dimensions 2000 × 1995 ...
TROX
... stage. Airtight damper DAT/DATL enables full closing of a duct and in connection with a servomotor with a return spring it acts as a closing flap. Sliding dampers GK/GKL enables cleaning of ventilation ...
... REGLAIR volume control damper from Lucoma is also referred to as a control damper, closing damper, damper flap, blade damper or ventilation damper. ...
Lucoma
FRANCE AIR
... Overview The WS Series dampers are aluminium overpressure dampers to be fixed on the wall by movable horizontal elements which can have both outward opening for ejection (WSE) and inward opening for aspiration (WSI). ...
MP3
... 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
A one-way ventilation damper operates automatically and allows air flow in only one direction. It can be installed in an air conditioning, ventilation or smoke removal conduit. When its movable vane is closed, it also helps block the spread of fire. ArchExpo offers a wide range of draft stop and ventilation dampers along with other air conditioning and ventilation products.
ApplicationsThese devices are used in air conditioning, ventilation and smoke removal conduits. They constitute a one-way valve allowing air to flow only in a single direction.
TechnologiesVentilation conduit dampers include ball, swing and lift check valves.
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